주요 원예농 산물 경영 실태 분석 및 생산비 절감 방안 = A study on the cost reduction and management analysis of the major horticultural crops
Chuyo wŏnyenong sanmul kyŏngyŏng silt'ae punsŏk mit saengsanbi chŏlgam pangan = A study on the cost reduction and management analysis of the major horticultural crops