Patil p.k, . (2019). Physics B.sc2 Sem-4. Kolhapur: Phadke Prakashan.
Patil p.k, . 2019. Physics B.sc2 Sem-4. Kolhapur: Phadke Prakashan.
Patil p.k, . Physics B.sc2 Sem-4. Kolhapur: Phadke Prakashan. 2019.
