Haider S., . (2005). Fundamentals of Organic Chemsitry. Delhi: S. Chand and Sons; Delhi.
Haider S.N, . 2005. Fundamentals of Organic Chemsitry. Delhi: S. Chand and Sons; Delhi.
Haider S.N, . Fundamentals of Organic Chemsitry. Delhi: S. Chand and Sons; Delhi. 2005.