adyapana sangvarthanaya- 07- 2017, (ISSN- 2012-5984), Faculty of Education, University of Colombo.
Publication year: 2017
Reasons for Students High School Absents in Schools of Colombo Central Division (in Tamil) adyapana sangvarthanaya- 07- 2017, (ISSN- 2012-5984), Faculty of Education, University of Colombo.