On the enhancement of estimator efficiency of population variance through stratification, transformation, and formulation with application to COVID-19 data by Hameed Ali, Zafar Mahmood, T.H. AlAbdulaal

Subjects: “…Transformed auxiliary variable…”
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Evaluation of variable MHD flow with Nernst-Planck model under the effect of entropy generation and chemical reactions by Maria Altaib Badawi, Waris Khan, Wajid Ullah Jan, Fethi Mohamed Maiz, Adel Thaljaoui, Rashid Iqbal

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Seasonal trend analysis and influence of meteorological factors on the concentration of atmospheric pollutants in an urban area by Naresh Kumar, Priya Ranjan, Suman .

Subjects: “…Meteorological variable; Pearson correlation; Air pollutants; Linear relation; National ambient air quality standards (NAAQS)…”
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A Special Points and Neural Network-Based Dynamic Multi-Objective Optimization Algorithm by Sanyi Li, Wenjie Hou, Peng Liu, Weichao Yue, Qian Wang

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A Design Procedure and Control Method for Improving Efficiency of a Family of Resonant Converters Over Wide Operating Conditions by Jasem Shahsevani, Reza Beiranvand

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The variance-gamma ratio distribution by Gaunt, Robert E., Li, Siqi

Subjects: “…product of correlated normal random variables…”
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Breast cancer risk assessment based on a predictive model: evaluation of risk factors among Japanese women by Michiyo Yamada, Takashi Chishima, Takashi Ishikawa, Kazutaka Narui, Sadatoshi Sugae, Peter J. Tonellato, Itaru Endo

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Thermo-fluid dynamics of non-newtonian casson fluid in expanding-contracting channels with joule heating and variable thermal properties by Shahid Rafiq, Babar Ahmad Bilal, Aysha Afzal, Jagadish V. Tawade, Nitiraj V. Kulkarni, Barno Abdullaeva, Taoufik Saidani, Manish Gupta

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Forest restoration efficiency: A comparative analysis of collectively vs. individually managed forests in Nepal by Sony Baral, Saurav Lamichhane, Bir B. Khanal Chhetri, Bikash Adhikari, Kalyan Gauli, Rebecca M Ford

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Fuzzy Programming Approach to Solve Multi-Objective Fully Fuzzy Transportation Problem by Admasu Tadesse, Sirkumar Acharya, Berhanu Belay

Subjects: “…Multi-Objective Programming; Triangular Fuzzy Number; Fuzzy Transportation Problem; Fuzzy Decision Variables; Ranking Function; Fuzzy Programming Method…”
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MILP Modeling and Optimization of Multi-Objective Three-Stage Flexible Job Shop Scheduling Problem With Assembly and AGV Transportation by Shiming Yang, Leilei Meng, Saif Ullah, Biao Zhang, Hongyan Sang, Peng Duan

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Tipología de la especialización del trabajo en la organización: Fundamentos para su propuesta by Gerardo J. Zapata Rotundo, Luis E. Sigala Paparella

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Comparative Analysis of Fixed and Variable Step Size Methods for Solving Ordinary Differetial Equations: A Case Study of Runge-Kutta Order 4 and Dormand Prince. by Byonaneebye, Darius

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Social Media Marketing for Small and Medium Enterprise Performance in Uganda: A Structural Equation Model by .Kikawa, Cliff R, Kiconco, Charity, Moses, Agaba, Ntirampeba, Dimas, Ssematimba, Amos, Kalema, Billy M.

Subjects: “…social media marketing; electronic marketing; social media influence; small and medium enterprises (SMEs); structural equation modelling; moderating variables…”
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Mathematical model for heat transfer in variable thickness fins for rocket engines by Volodymyr Sliusariev, Valerii Bucharskyi

Subjects: “…variable thickness fin…”
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Super-twisting sliding mode control of grid-side inverters for wind power generation systems with parameter perturbation by Weiqi Zhang, Yanmin Wang, Muhammad Zeeshan, Fengling Han, Kai Song

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Determinantes del ahorro de los hogares en México: un análisis de regresión cuantílica by Isalia Nava Bolaños, Flor Brown Grossman

Subjects: “…regresión cuantílica con variables instrumentales…”
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