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

Book Code : 1601/1602

Language : English

ISBN : 978-93-82883-11-1

Author : Dr. Ramdev Sharma & Er. Meera Goyal

Book Code : 9142

Language : English

ISBN : 978-93-81865-10-1

Author : Rajamohan Srivastava, Amit Ganguly

Book Code : 5267

Language : English

ISBN : 978-93-89585-58-2

Author : Dr. Anupam Agarwal, Mrs. Sharad Agarwal

Book Code : 5595

Language : Hindi

ISBN : 978-93-81865-07-1