Tiwari J. M. G., . (1989). Text book of physical chemistry part-1. : S.Chand.
Tiwari J.S Mundhara G.L, . 1989. Text book of physical chemistry part-1. : S.Chand.
Tiwari J.S Mundhara G.L, . Text book of physical chemistry part-1. : S.Chand. 1989.