Darwati, Sri, and R Pamekas. “Social Capital Based Partnership Model for Reaching 100% Universal Access of Improve Water and Sanitation Services”. KnE Social Sciences 3, no. 21 (August 5, 2019): 798–811. Accessed March 31, 2020. https://knepublishing.com/index.php/KnE-Social/article/view/5012.