TY - SER AU - Singh,Gajendra ED - International Development Research Centre ED - International Development Research Centre TI - Extension of AIT-IDRC jab seeder in Thailand: final report T2 - Research report PY - 1991/// CY - Bangkok PB - Division of Agricultural and Food Engineering, Asian Institute of Technology KW - Drill (Agricultural implement) N1 - Submitted to the International Development Research Centre (IDRC, Canada) ER -