Basic procedures for agroecomomic research
TOUT, Edwin A
Basic procedures for agroecomomic research - Rev. ed - Manila 1993 - 230p
AGRICULTURE -- ECONOMIC ASPECTS RESEARCH
AGRICULTURE -- ECONOMIC ASPECTS RESEARCH
338. 107 2 T64B
Basic procedures for agroecomomic research - Rev. ed - Manila 1993 - 230p
AGRICULTURE -- ECONOMIC ASPECTS RESEARCH
AGRICULTURE -- ECONOMIC ASPECTS RESEARCH
338. 107 2 T64B