Hasbiah, Astri Widiastuti, et al. “PEMAHAMAN DAN PERSEPSI PENGHUNI PONDOK PESANTREN AL-ITTIHAD KAWASAN SANTRI PUTRA TERHADAP SANITASI”. Journal of Community Based Environmental Engineering and Management, vol. 3, no. 1, Mar. 2019, pp. 33-40, doi:10.23969/jcbeem.v3i1.1499.