Arista, N., Negoro, H., & Purba, D. Evaluation of willingness to pay and challenges to community empowerment in urban drinkable water. GJESM Publisher.
Chicago Style (17th ed.) CitationArista, N.I.D, H.A Negoro, and D.E Purba. Evaluation of Willingness to Pay and Challenges to Community Empowerment in Urban Drinkable Water. GJESM Publisher.
MLA (9th ed.) CitationArista, N.I.D, et al. Evaluation of Willingness to Pay and Challenges to Community Empowerment in Urban Drinkable Water. GJESM Publisher.
Warning: These citations may not always be 100% accurate.