Zaenal, Muhammad Hasbi, 		Choirin, Muhammad, 		Hudaefi, Fahmi, 		Junari, Ulfah, 		Farchatunnisa, Hidayaneu, AND 		Saoqi, Abdul Aziz.
" Baznas Index For Sustainability of Clean Water and Sanitation (BI-WAS)" <em>Publications | BAZNAS Research and Development Directorate</em> [Online], Volume 4(14 January 2020)