TY - BOOK AU - Gupta Anshul AU - Tomar Surekha TI - CSIR-UGC/NET/JRF/SET Physical Sciences SN - 9789350132692 U1 - 500.2 GUP CY - Agra PB - Upkar Prakashan KW - csir, ugc, net, jrf, set, physical sciences, gupta anshul,tomar surekha ER -