International students like Hasegawa, who obtained a Test of Proficiency in Korean level 4, can perform up to 25 hours from Monday to Friday and unlimited hours in the course of weekends and holidays. These without the Topik level 4 certificate are restricted to just ten hours weekly. According to https://hector40g8u.thekatyblog.com/19889013/what-everyone-should-know-about-find-women-s-jobs