Prasad T.V. Handbook of Entomology (For ARS Mains / SRF / UPSC / SAU Exams) : Basde on Revised Syllabus Includes Previous Years ARS Subjecti - 4th Ed. - New Delhi New Vishal Publications 2019 - 536p ENGLISH ISBN: 81-8399-083-5 Dewey Class. No.: 153.945957 / PRA