Sitorus, Ezekiel Berliantoro, Maludin Panjaitan, Jon Henri Purba, and Kristin Sinaga. “Analyzing The Impact Of Employee Competence, Organizational Climate, and Physical Work Environment On Worker Productivity in Palm Oil Manufacturing”. Equivalent : Journal of Economic, Accounting and Management 3, no. 2 (December 16, 2025): 1153–1163. Accessed December 30, 2025. https://jurnal.dokicti.org/index.php/equivalent/article/view/1428.