Pesticides : Its hazardous effects on the benguet farmers and the environment. /
Cheng, Charles
Pesticides : Its hazardous effects on the benguet farmers and the environment. / Charles L. Cheng. - Baguio City : Unique Printing Press, c1994. - xii, 152 p.: ill. 22 cm.
Pesticides
Pesticides
Pesticides : Its hazardous effects on the benguet farmers and the environment. / Charles L. Cheng. - Baguio City : Unique Printing Press, c1994. - xii, 152 p.: ill. 22 cm.
Pesticides
Pesticides