Author: Selo Soemardjan Publisher: Gadjah Mada University Press, 1990

The mentality of the people of Yogyakarta changed from that of introverted to extroverted when the city became the capital of the Republic of Indonesia from 1946-1949. Many people from various regions came to the city, which led native residents to opening themselves up. It was realized then that education could become a bridge to success.

Bases of Thought Regarding 25 Year