TY  - BOOK
AU  - Roll-22
TI  - A study of lethal concentrarions of ddt and bhc on rice hispa and of the pattern of residual loss of these insecticides (labelled) from paddy levels / : MS thesis
U1  - 595.7 22
PY  - 1964///
CY  - Sher-e-Bangla Agricultural University
PB  -  Department of Entomology
KW  - Entomology
N1  - MS thesis of Department of Entomology.
UR  - http://archive.saulibrary.edu.bd:8080/handle/123456789/1938
ER  -