Abeygunawardena, K. A. V., and M. V. Vithanapathirana. “THE ROLE OF TEACHER TO ADDRESS ISSUES OF DISRUPTIVE BEHAVIOUR OF STUDENT LEARNERS IN MATHEMATICS CLASSROOMS: A STUDY IN THE SRI LANKAN CONTEXT”. PUPIL: International Journal of Teaching, Education and Learning, vol. 2, no. 3, Jan. 2019, pp. 152-73, doi:10.20319/pijtel.2019.23.152173.