00425     2200145   4500001002100000035002000021245006500041100008300106260002600189084001000215082001000225650002600235990000900261990000900270INLIS000000000003322  a0010-0121001688  aAn Analysis of Shifting Cultivation Using The Trenbath Model  aDamasa Magcale - Macandog, Cesar Artiaga, Ken Menz, Canesio Pedro, Ely Albacea  aCANBERRAbACIARc1998  a631.1  a631.1  aSHIFTING CULTIVATION.  a4570  a4570