00357nam a22000977a 4500008004100000082002600041100002300067245011700090260003500207300001700242140320b xxu||||| |||| 00| 0 eng d aT (BSAB) 493-Abc2006 aGevera, Rodelia S. aShifting pattern and reasons of shifting crops by farmers in the first district davao del surcRodelia S. Gevera aDigos CitybSPAMAST-CAScc2006 ax, 54 leaves