Echols, Johm M.

Winasa, I Gede

Panjaitan, Trimedya | Siswowih

Danusubroto, Sidarto | Aoer, C

Hussmann, Karen

Bangladesh. The Government of

Kementerian Komunikasi dan Inf

Achmadi, Adib ... [et.al]

Cornez, Arnold L.

Subianto, Achmad

The World Bank