Gumilar, Bagja, Eko Hariadi, and Achmad Imam Agung. 2024. “Productivity Viewed From Work Ability and Work Operation Time With Mediating Variable On The Job Training (OJT)”. Technium Social Sciences Journal 58 (1). Constanta, Romania:128-41. https://doi.org/10.47577/tssj.v58i1.11020.