West Bengal. Labour Directorate & Haldar, S. K. (1954). Report on an enquiry into the living conditions of the work employed in building & road construction industries in west Bengal 1950-1951. West Bengal Government Press.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWest Bengal. Labour Directorate এবং S. K. Haldar. Report on an Enquiry into the Living Conditions of the Work Employed in Building & Road Construction Industries in West Bengal 1950-1951. West Bengal Government Press, 1954.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিWest Bengal. Labour Directorate এবং S. K. Haldar. Report on an Enquiry into the Living Conditions of the Work Employed in Building & Road Construction Industries in West Bengal 1950-1951. West Bengal Government Press, 1954.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.