Author : Dr. B. N. Gupta, Dr. R. K. Tiwary & Dr. Y. K. Mishra

Book Code : 2709

Language : English

ISBN : 978-81-960927-6-1

Author : Dr. B. N. Gupta & Shyamlesh Kumar

Book Code : 3073

Language : Hindi

ISBN : 978-93-88117-31-9

Author : Dr. B. N. Gupta & Shyamlesh Kumar

Book Code : 3074

Language : English

ISBN : 978-93-88117-30-2

Author : Dr. B. N. Gupta & Shyamlesh Kumar

Book Code : 3340

Language : English

ISBN : 3340