According to this, 45 of the training facilities in Seoncheon, North Pyongan Province, had approximately 100 students, while at least 450 students attended training centers in other locations.
이를 보면 평안북도 선천에 있는강습소중 100여명에달하는곳이45곳 다른곳은적어도450 명의 강습생이 강습소에 다니고 있었음이 확인된다.