Author : Dr. S. K. Singh, Dr. G.P. Trevdi, Dr. Neelima Herenz

Book Code : 4850

Language : Hindi

ISBN : 978-93-5167-701-7

Author : R. C. Agrawal, Sanjay Agrawal

Book Code : 6056

Language : Hindi

ISBN : 978-93-5167-665-2

Author : Dr. V. C. Sinha , Dr. Pushpa Sinha, Dr. Kumar A. N. Shadev

Book Code : 6666

Language : Hindi

ISBN : 978-93-5167-901-1