Perera R, Hathaway T. PRINCIPALS AND TEACHERS PERCEPTIONS ABOUT THE IMPACT OF SCHOOL CONDITIONS ON EARLY ADOLESCENTS’ MOTIVATION AND ENGAGEMENT IN LEARNING AND THEIR MOTIVATING PRACTICES (IN LOW SOCIO-ECONOMIC DISTRICTS IN SRI LANKA). pijss [Internet]. 2017 Jan. 25 [cited 2024 Sep. 20];3(1):288-306. Available from: https://mail.grdspublishing.org/index.php/people/article/view/374