TY - BOOK ED - NPPC Simtokha TI - A Pictorial Guide for Field Identification Pest and Disease of Rice, Maize and Potato (D2634) U1 - 632.9 NPP PY - 2012/// CY - Bhutan PB - NPPC Simtokha KW - A pictorial guide for field identification pest and disease of rice, maize and potato ER -