00559nam a22002057a 4500 LK-CoNLD 20251229140333.0 251223b |||||||| |||| 00| 0 eng d DAOL En 633.18 DOA Zandstra, H.G. A Methodology for On-Farm Cropping Systems Research Los Banos, Laguna, Philippines The International Rice Research Institute 1981 p.147:col.pic.:ill. Price, E.C. Litsinger, J.A. Morris, R.A. BK 22 22 0 0 0 0 REF DOAL DOAL REF 2025-12-23 2286 0 2286 2025-12-23 13:54:40 2025-12-23 BK 0 0 0 0 REF DOAL DOAL REF 2026-08-07 3942 0 3942 2026-08-07 05:20:46 2026-08-07 BK