Chenglei, W. Melemnganba UGC CSIR NET/SET (JRF and LS) Junior research fellowship and lectureship : physical sciences - New Delhi Arihant Publications (India) [20??] - 1266p. ; 26cm. ISBN: 9789350943540 Subjects--Index Terms: Competitive exams Physical science -- Solved papers Dewey Class. No.: 500.2 / CHE