Analysis of the Determinants of Oil Palm Harvest Workers’ Productivity Using Multiple Linear Regression: A Case Study of PTPN IV Regional 1, Bangun Estate. j.sos.ekon.pertan. [Internet]. 7 Juni 2026 [dikutip 21 Agustus 2026];22(1):93-101. Tersedia pada: https://journal.unhas.ac.id/index.php/jsep/article/view/52102