Singal, Bajnath. Shodh : swroop avam manakvyavharik karyavidhi / Bajnath Singal. - 3rd ed / . - Delhi : Bani Prakashan , 2008. - 160p. : ill. ; 21cm . includes index ISBN: 8170553164 RS150.00 Subjects--Index Terms: RESEARCH METHODOLOGY Dewey Class. No.: 001.42 / SIN/S