Kulshrestha, Hemant and Taneja, Ajay Upkar's CSIR-UGC NET/JRF/SLET : Chemical sciences through solved problems/ by Hemant Kulshrestha and Ajay Taneja - Agra : UPKAR Prakashan , 2004 - 480 pages ISBN: 9788174824455 Dewey Class. No.: R 371.26 KUL/U