na INLIS000000000012647 20240313094134 0010-0521012647 240313 | | en 636.003/WIN/p 636.003/WIN/p Hendrik Knipscheer Pervaiz Amir Proceedings on-farm animal research/extension and its economic analysis / Hendrik Knipscheer Morilton : Winrock International Institute fo Agricyltural Development, 1987 116 p.: ill.; 26 cm. ECONOMICS -- ANIMAL HUSBANDRY 068BPV1988