TY - BOOK AU - Sooryakumar,K.R AU - i. Kumar,P.K.Sushil TI - Textbook of educational research SN - 978-93-82252-16-0 U1 - 370.07 PY - 2014/// CY - New Delhi PB - Pacific books international KW - 1. EDUCATION N1 - Includes index and bibliography ER -