Rosyafah S, Nitawati EY, Iman N. Impact of Work Discipline, Work Environment, Communications and Motivation on Employee Performance in PT. KAI Gubeng Surabaya. MINISTAL [Internet]. 2023 Dec. 12 [cited 2026 Jun. 28];2(4):1287-96. Available from: https://journal.formosapublisher.org/index.php/ministal/article/view/7112