Author : Dr. Alok Gupta, Nitin Gupta

Book Code : 4879

Language : English

ISBN : 978-93-89356-23-6

Author : Dr. R. N. Khandelwal, Dr. Jitendra Sonar

Book Code : 5020

Language : English

ISBN : 978-93-5167-106-0

Author : Dr. V. C. Sinha and Dr. Ritika Sinha

Book Code : 4899

Language : English

ISBN : 978-93-89356-62-5

Author : Dr. Alok Gupta, Nitin Gupta

Book Code : 4878

Language : Hindi

ISBN : 978-93-89356-22-9