Khuram Shahzad Ahmad Study of the enviromental effects of some benzimidazole and sulfonylurea pesticides on selected soils and minerals :PHD Chemistry Khuram Shahzad Ahmad - Islamabad : AIOU, 2013. - 193 p. HB Eng Standard No.: https://i.ibb.co/DcNFC41/Thesis-cover.png Subjects--Topical Terms: Pesticides--Environmental aspectsDissertation, Academic--PHD Chemistry Dewey Class. No.: 363.7 / KHS