TY - BOOK AU - Kothari,C.R. TI - Research methodology: methods and techniques SN - 8173280363 U1 - 001.42 21 PY - 1990///.[Reprinted 1997] CY - New Delhi : PB - Wishwa Prakashan, KW - Research KW - Methodology KW - Probabilities KW - Statistical methods KW - Technical writing N1 - Includes bibliographical references and index ER -