Patil R.H, . (2019). Pysics B.sc-1 Sem-2. Pune: Nirali Prakashan Pune.
Patil R.H, . 2019. Pysics B.sc-1 Sem-2. Pune: Nirali Prakashan Pune.
Patil R.H, . Pysics B.sc-1 Sem-2. Pune: Nirali Prakashan Pune. 2019.
