00000cam a22000004i 4500 UP-1685594773861174730 Buklod 20070906145443.0 m |o d | ta 160429s1972 xx r |000 0|eng|| (iLib)UPBAG-00000007389 DLC BAG rda eng HC 455 P6 1972 no.2 Barker, Randolph author. The probable impact of the seed-fertilizer revolution on grain production and on farm labor requirements by R. Barker, Mahar Mangahas & William H. Meyers. [Quezon City] Institute of Economic Development and Research, School of Economics, University of the Philippines 1972. 14 pages illustrations, tables 29 cm. IEDR discussion paper no. 72-2. Agricultural laborers Philippines. Agriculture Economic aspects Philippines. Mangahas, Mahar author. Meyers, William H. author. FI UPBAG UPBAG-MAIN HC 455 P6 1972 Book