TY - BOOK AU - Aiman Gul, Zukhruf khalid, Abdul Wahab Akram. Asfand Yar. AU - TI - Fecal sludge treatment by anaerobic digestion U1 - 628 PY - 2020/// CY - Islamabad PB - IESE (SCEE) NUST KW - Environmental Engineering N1 - Thesis UG EE ER -