TY - BOOK AU - Nehru, R.S.S. TI - Encyclopaedia of e-learning volume-II: e-learning: theory and practice SN - 978-93-313-1977-7 U1 - 153.15203 PY - 2013/// CY - New Delhi PB - A.P.H. KW - 1. LEARNING KW - ENCYCLOPAEDIA ER -