Kshirsagar S.K, Das V.K, . (2004). Physics 11th. Pune: Nirali Prakashan Pune.
Kshirsagar S.K, Das V.K, . 2004. Physics 11th. Pune: Nirali Prakashan Pune.
Kshirsagar S.K, Das V.K, . Physics 11th. Pune: Nirali Prakashan Pune. 2004.
