Yunisa Azlaini Damanik, and Shofyan Roni. “THE INFLUENCE OF JOB TRAINING, INTERNAL COMMUNICATION AND WORK DISCIPLINE ON EMPLOYEE PERFORMANCE AT PT. GRAMEDIA GAJAH MADA MEDAN”. Bulletin of Engineering Science, Technology and Industry, vol. 4, no. 2, Oct. 2026, pp. 2637-46, https://bestijournal.org/index.php/go/article/view/289.