Roy, Mr. Koushik books & textbook
Common Fish Farming Calculations: A Layman's Guide
Roy, Mr. Koushik Chari, Dr. M.S. Gaur, Dr. S.R.
CreateSpace Independent Publishing Platform /2015-04-09 Paperback / 54 Pages
isbn-10: 1511653019 / isbn-13: 9781511653015
Tribal Farmers of Surguja, Chhattishgarh: A Case Study on Sugarcane Farming
Tiwari, Mr. Rahul Kumar Jaiswal, Dr. P.K. Roy, Mr. Koushik
CreateSpace Independent Publishing Platform /2015-06-18 Paperback / 154 Pages
isbn-10: 1514604442 / isbn-13: 9781514604441
