Mega Heriyanto, Sri Langgeng Ratnasari, Hermansah. THE INFLUENCE OF PRINCIPAL LEADERSHIP, TEACHER MOTIVATION, WORK CULTURE, WORK ENVIRONMENT, TEACHER WELFARE AND LOCAL COMMUNITY SUPPORT ON SCHOOL PERFORMANCE IN PRIVATE JUNIOR HIGH SCHOOLS IN BATAM CITY. MORFAI [Internet]. 2025 Mar. 25 [cited 2025 May 24];5(1):511-8. Available from: https://radjapublika.com/index.php/MORFAI/article/view/2659