sack, k., & linsel, h. (1965). contents and measuring of labour productivity in socialist industry. the institute of national planning.
Chicagoスタイル(17版)引用形式sack, kurt, , hermann linsel. Contents and Measuring of Labour Productivity in Socialist Industry. cairo: the institute of national planning, 1965.
MLA(9版)引用形式sack, kurt, , hermann linsel. Contents and Measuring of Labour Productivity in Socialist Industry. the institute of national planning, 1965.
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