Wicaksono, Erwin. “Analysis of Competence, Discipline, Organizational Culture, and Environment’s Impacts on Work Productivity”. PRODUKTIF: Jurnal Kepegawaian dan Organisasi 2, no. 1 (June 1, 2023): 41–51. Accessed August 19, 2026. https://jurnalpustek.id/index.php/sdmo/article/view/85.