“Multi-Task Simultaneous Supervision: Dual Resource-Constrained Scheduling Problem in Identical Parallel Machines Considering Differences in Operator Skill Levels” (2024) Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri, 26(2), pp. 119–130. doi:10.9744/jti.26.2.119-130.