TY - DATA AU - Hefnawy,Mohamed Mohamed Ibrahim TI - Biochemical studies on plant extracts to control some pestes and their side effect on honey bees in Egypt and Sudan: Mohamed Mohamed Ibrahim Hefnawy PY - 2023/// KW - Honeybee KW - Diseases and pests KW - Control KW - Egypt KW - Sudan KW - Plant extracts N1 - Theses (Ph.D.) --Cairo University, 2023; Includes bibliographical references (Leaves 227-266) ER -