00544nam a2200181Ia 4500 0 0 0 0 RIEBPL RIEBPL 2019-07-10 0 370.78 K84 54617 2019-07-10 00:00:00 BK 22353 22353 20190924170616.0 190710s9999 xx 000 0 und d 81-7328-036-3 eng 370.78 K84 Kothari, C R Research methodology : methods and techniques 2nd New Delhi : Wishwa Prakashan, 1999 viii, 468 p. Social science - Research method | Research methodology | Research - Techinques | Data collection BK