TY - GEN ED - Government of East Bengal & East Pakistan, TI - Possibilities of the operation of amphibian Aircraft as a man of communication for the Proposed new post in the District of Khulna. PY - 1950/// KW - amphibian KW - operation N1 - সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) ER -