Patil P.K, . (2010). Physics B.sc-1 Sem 2. Kolhapur: Phadake Prakashan Kolhapur.
Patil P.K, . 2010. Physics B.sc-1 Sem 2. Kolhapur: Phadake Prakashan Kolhapur.
Patil P.K, . Physics B.sc-1 Sem 2. Kolhapur: Phadake Prakashan Kolhapur. 2010.