洛阳市涧西区2005~2007年食品卫生抽检平均合格率与标化合格率的比较
락양시간서구2005~2007년식품위생추검평균합격솔여표화합격솔적비교
The comparison of the average qualification rate of food hygiene spot check and standardized qualification rate from 2005AD to 2007AD in Jianxi District of Luoyang
저자의 최근 논문