Author : Dr. Chaturbhuj Mamoria & Dr. Abha Singh

Book Code : 1510

Language : English

ISBN : 978-81-960931-4-3

Author : Dr. J. P. Goel & Er. Meera Goyal

Book Code : 3772

Language : Hindi

ISBN : 978-93-5167-960-8

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

Book Code : 1601/1602

Language : English

ISBN : 978-93-82883-11-1