„In the Republic of Korea nearly 90 % of elementary students receive some sort of shadow education; and in Hong Kong, China, about 85 % of senior secondary students do so.“
Univ.-Prof. Dr. Mark Bray u.a., „Shadow Education“ (2012), Executive Summary
„In the Republic of Korea nearly 90 % of elementary students receive some sort of shadow education; and in Hong Kong, China, about 85 % of senior secondary students do so.“
Univ.-Prof. Dr. Mark Bray u.a., „Shadow Education“ (2012), Executive Summary