PLANT-DERIVED PESTICIDES IN DEVELOPING COUNTRIES(POSSIBILITIES AND RESEARCH NEEDS)
GERRITS,R. & others
PLANT-DERIVED PESTICIDES IN DEVELOPING COUNTRIES(POSSIBILITIES AND RESEARCH NEEDS) - - Ministry of Housing ,Physical planning and En 1988 -
632.95/GER
PLANT-DERIVED PESTICIDES IN DEVELOPING COUNTRIES(POSSIBILITIES AND RESEARCH NEEDS) - - Ministry of Housing ,Physical planning and En 1988 -
632.95/GER