TY - BOOK AU - PATEL, G . A . AU - GOPINATH, C. AU - PICHHOLIYA, K . R . TI - USE AND MARKETING OF PLANT PROTECTION APPLIANCES / T2 - CMA MONOGRAPH , No. 86 U1 - 632.94 PY - 1982/// CY - NEW DELHI PB - OXFORD & IBH KW - PLANT PROTECTION - TOOLS ER -