Recruitment and training of operators to be attached to National Welfare Units. File No. Pub. 13P - 84 /1939 - 1939 - 23 p; H-35 cm; W-22 cm. সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) Subjects--Topical Terms: Recruitment and training--National Welfare Units