TY - GEN AU - 박평무 PY - 1988/06 UR - http://repository.krei.re.kr/handle/2018.oak/15780 PB - KREI TI - Effects of Animal Traction on Subsistence Level Farming in Bourkina Fasso: Production Function Analysis TT - Effects of Animal Traction on Subsistence Level Farming in Bourkina Fasso: Production Function Analysis TA - Bark, Pyeongmu ER -