Perera, R., & Hathaway, T. (2017). 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). PEOPLE: International Journal of Social Sciences, 3(1), 288–306. https://doi.org/10.20319/pijss.2017.31.288306