Ram Avtar. (1971). Lectures on labour problems & social welfare in India. New Academic Pub. Co.
Chicago-viite (17. p.)Ram Avtar. Lectures on Labour Problems & Social Welfare in India. Jullundur: New Academic Pub. Co, 1971.
MLA-viite (8. p.)Ram Avtar. Lectures on Labour Problems & Social Welfare in India. New Academic Pub. Co, 1971.
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