KANAWATY GEORGE. (2000). INTRODUCTION TO WORK STUDY (4TH ED.). UNIVERSAL PUBLISHING CORPORATION.
Dyfyniad Arddull ChicagoKANAWATY GEORGE. INTRODUCTION TO WORK STUDY. 4TH ED. MUMBAI: UNIVERSAL PUBLISHING CORPORATION, 2000.
Dyfyniad MLAKANAWATY GEORGE. INTRODUCTION TO WORK STUDY. 4TH ED. UNIVERSAL PUBLISHING CORPORATION, 2000.
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