TY - BOOK ED - Chosôn minjujuûi inmin konghwaguk kwahakwôn ED - 조선민주주의 인민공화국 과학원 TI - Nongch'on ûi surihwa chônkihwa kigyehwa ûl wihayô PY - 1959/// CY - P'yôngyang KW - Politics -- Various -- Prapaganda -- DRK KW - Economy -- Agriculture -- Farming Industry -- Modernization -- DRK ER -