TY - BOOK AU - Shreeshivadasan Chelliapan, TI - Treatment of wastewater by anaerobic stage reactor SN - 9789831004845 U1 - 628.354 23 PY - 2009/// CY - Kuala Lumpur : PB - University of Malaya Press , KW - Sewage - Purification - Anaerobic treatment ER -