Penelitian dan pengukuran kerja
Penelitian kerja dan penelitian metode
Penelitian kerja dan produktivitas
Penelitian kerja dan pengukuran kerja
(An) Introduction to co-operative practice
Accident prevention A Workers edubation manual
AN INTRODUCTORY COUSE IN TEACHING AND TRAINING METHODS FOR MANAGEMENT DEVELOPMENT
CASE STUDIES FOR MANAGEMENT DEVELOPMENT, MAN. DEV/MANUAL 30
INTRODUCTION TO WORK STUDY
LABOUR INSPECTION PURPOSES AND PRACTICE
Worker's Access To Education
Workers' Education In Action: Selected Articles From Labour Education A Workers' Education Manual