Ananthakrishnan N. e. a., . (1950). Concise intermediate physics. Tiruchirapalli: P Savarimuthu.
Ananthakrishnan N et al, . 1950. Concise intermediate physics. Tiruchirapalli: P Savarimuthu.
Ananthakrishnan N et al, . Concise intermediate physics. Tiruchirapalli: P Savarimuthu. 1950.
