00000cam a22000004a 4500 UP-99796217605440015 Buklod 20230503092542.0 m |o d | ta 080210s1983 xx r |000 u|eng d (iLib)UPD-00000330144 eng DMLUC SD 387 P7 U55 no.9 Revilla, A.V. The COSTEF system a cost effective reforestration/agroreforestration strategy A.V. Revilla, Jr. and M.C. Gregorio. College, Laguna Forestry Development Center, UPLB College of Forestry 1983. 17 leaves. Policy paper Forestry Development Center, UPLB College of Forestry no.9 Reforestration Philippines. Book FI UP Paper UPD DECON SD 387 P7 U55 no.9 UPD DSURP SD 387 P7 U55 no.9 Book