Seameo Biotrop, 2015
Buku Teks
Artikel Jurnal
Besty Priyandhini, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2012
UI - Tesis Open
Ministry of Education, Science, and Culture, 1991
Buku Teks
Ministry of Education, Science and Culture, 1985
Buku Referensi