Nugroho I. Pendekatan Permintaan Dalam Pengembangan Sektor Air Bersih di Propinsi Jawa Timur. jrcp [Internet]. 2017Mar.29 [cited 2025Oct.21];12(4):200-2009. Available from: https://journals.itb.ac.id/index.php/jpwk/article/view/4322