Purwanto S, Wibowo A, Suharti T. The OCB Determinant of Employees in Non-Profit Organization; Leadership Role and Work Engagement. INOVATOR [Internet]. 2023 Aug. 29 [cited 2024 Sep. 27];12(2):251-63. Available from: https://ejournal.uika-bogor.ac.id/index.php/INOVATOR/article/view/17632