Kagong sikp'um mulka ŭi changdan'gi pyŏndong yoin kwa taeŭng pangan = A study on short and long term fluctuation factors of processed foods price and countermeasures
Nongŏch'on chŏngju konggan ŭi pyŏnhwa wa chŏngch'aek kwaje = Rural development policy for changes in human settlements in an era of rural-urban interaction
Nongsikp'um punya saengmyŏng sanŏp hyŏnhwang mit palchŏn panghyang = Study of bioindustry in the agri-food sector : current status and development strategies