TY - BOOK ED - Government of East Bengal / Pakistan TI - Crossing of efficiency bar by Maulvi A.O.M. Shahjehan and drawing increment there from. PY - 1950/// KW - Crossing of efficiency KW - 1950 N1 - সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম ফেইজ) ER -