00702cam a22002291 4500 sa 65007211 DLC 20260227112148.0 840608s1961 ii f000 0 eng sa 65007211 (OCoLC)21659312 DLC CU DLC premarc a-ii--- HC440.L3 U55 Unesco. Research Centre on Social and Economic Development in Southern Asia Social and cultural factors affecting productivity of industrial workers in India. Delhi [1961] ii, 127, 51 p. 22 cm. Labor productivity India. Labor and laboring classes India. 65119 65119