TY - BOOK AU - Bagayas, Dalisay A. TI - Mag-segregate: bawasan ang itinatapon! SN - 2094-8042 U1 - DPer 370.105 M72 Jan-Dec 2011 v59-60 PY - 2011///. CY - Philippines: PB - In the Grade School, Inc., KW - Refuse and refuse disposal ER -