Effective English 3A : for Grade IX of Junior High School First half-year / Editor: Eko Priyo Purnomo Soegeng HS Tiga Serangkai Pustaka Mandiri, 2007 Bahasa Inggris
Effective English 2A : for Grade VIII of Junior High School First Half-Year / Editor: Eko Priyo Purnomo Soegeng HS Tiga Serangkai Pustaka Mandiri, 2007 Bahasa Inggris
