Dang jiaoshou yushang heishou: Sujiao shechu chengxing de shidai fengyun 當教授遇上黑手：塑膠射出成型的時代-雲 [When Professor Meets Black Hand: The Era of Plastic Injection Molding]. Issue 3 (1st September 2020) - Yang 楊智元, Chih-Yuan