TY  - BOOK
AU  - Hassan,Ahmed Abd El-Halim Abd El-Aal
TI  - New approaches for bollworms control
PY  - 1991///
KW  - Heliothis zea
KW  - Biological control
KW  - Control
KW  - Insecticides
N1  - Thesis (M.S.)-- Al-Azhar University, 1991; Includes bibliographical references (leaves 68-75); Microfiche; ASUNET; Ain Shams University; 2 microfiches : negative
ER  -