TY  - GEN
ED  - Government of East Bengal,
TI  - Memorial from Dr. D.N. Roy, Assistant Professor of Entomology School of Tropical Medicine and Hygiene, Calcutta. 
PY  - 1933///
KW  - Entomology
N1  - সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) 


ER  -