Rode Chara Cecilia Memah, et al. “IMPLEMENTATION OF WORK CULTURE BASED ON CORE VALUES AT PT. PERTAMINA GEOTHERMAL ENERGY (TBK) LAHENDONG AREA”. Journal of Marketing and Emerging Economics, vol. 4, no. 1, Jan. 2024, pp. 102-16, https://oajournals.net/index.php/jmee/article/view/2584.