TY - BOOK AU - NIDHIN J.K TI - Investigations on energy input-output in below sea level rice production systems in Kuttanad region of Kerala CY - Tavanur 2017 PB - DEPARTMENT OF FARM POWER, MACHINERY AND ENERGY N1 - Investigations on energy input-output in below sea level rice production systems in Kuttanad region of Kerala N2 - Investigations on energy input-output in below sea level rice production systems in Kuttanad region of Kerala UR - https://drive.google.com/open?id=1eG-CwTaGNMhYBPlZ6nw47lBVZBL0lZit ER -