Kharmalki, Careleen Y. Self-concept, defense mechanism and frustration tolerance amongst higher secondary students of East Khasi Hills District of Meghalaya - 2019 Department of Education, NEHU 2019 - x,208p.;28cm. Abstract Subjects--Topical Terms: Self perception-ResearchDefense mechanisms (Psychology)-ResearchAttitude (Psychology)-ResearchStudents-Psychology-Research Dewey Class. No.: 373.18019 / KHA