Khan, Abdul Wayas, 1944- Ḍāirekṭarī apha besika ḍebhelapmeṇṭa. - [1967- - v. map. 22 cm. In Bengali. LCCN: sa 68019666 Subjects--Topical Terms: Agriculture--Bangladesh--Handbooks, manuals, etc. LC Class. No.: S517.P17 / K53