Kementerian Pendidikan dan Kebudayaan Republik Indonesia
Mandiri practise your English competence untuk SMK dan MAK kelas IX
Get along with english : for vocational school grade XI elementary level
Cara cepat menguasai tenses & grammar : Praktis & Sistematis
My Unforgetable Experience in Bali : Gateway english through stories
Trik kilat bahasa inggris untuk pariwisata dan perhotelan
How to Prepare for the TOEFL IBT : Internet-Based Test With 10 Audio CDs
Get along with english : for vocational school grade X novice level