Author : Dr. V. C. Sinha,Dr. Alok Gupta, Dr. Jitendra Kumar Saxena
Book Code : 8561
Language : English
ISBN : 978-93-5167-297-5
Author : Dr. Jitendra Kumar Saxena, Dr. S. K. Singh, Mohd. Asif Khan
Book Code : 8592
ISBN : 978-93-83697-88-5