na INLIS000000000002833 0010-0121001199 Smallholder tree growing on erosion prone marginal upland: Acase study in Sumedang West Java Memed Gunawan Canberra ANU 1996 33 p.; ill.: 30 cm 979-8261-23-2 633.1/.4 633.1/.4 FOOD CROPS EROSION MARGINAL LAND SUMEDANG JAWA BARAT TANAMAN PANGAN EROSI. IMPERATA PROJECT PAPER; 1. 3977 3977