한국농촌경제연구원 2018-11-15T07:40:16Z 2018-11-15T07:40:16Z 1984-07 C1984-08 http://repository.krei.re.kr/handle/2018.oak/13039 한국농촌경제연구원 농용 트랙타 본체(디젤 32마력) 원가 조사(금성전선) A research on costs of the main body of an agricultural tractor (Diesel 32 horsepower) (Geumsung Cable) KREI 보고서 9999-12-31