Author : Dr. S. K. Sharma, Ramdev Mishr (Gangay)

Book Code : 3526

Language : Hindi

ISBN : 3526

Author : Dr. J. P. Goel, D. C. Upadhyay, Er. Meera Goyal

Book Code : 3609

Language : Hindi

ISBN : 3609

Author : Rajamohan Srivastava, Amit Ganguli

Book Code : 4547

Language : English

ISBN : 4547

Author : Meera Goyal

Book Code : 7550

Language : Hindi

ISBN : 978-93-81865-24-8