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 through weekends and holidays. Those without the need of the Topik level 4 certificate are limited to just ten hours weekly. According to https://hector51h9v.blogerus.com/40070956/top-how-do-i-get-a-job-as-a-woman-choices