Hatta, Muhammad (2010) Progress Report on Programmes and Activities of SEAMEO Regional Centre for QITEP in Language in Fiscal Year 2009/2010. SEAMEO QITEP in Language, Jakarta.

Nawang Palupi, Marike and Hatta, Muhammad and Pramowardhany Nilla, Endang and Widiarti, Emy and Tsani, Neneng and Ratnasari, Ririk and H. Matanggui, Junaiyah and Widiyanto, Gunawan and Ghozi, Ahmad and Nugroho, Taufik and Widiatmoko, Widiatmoko and Nawang Palupi, Marike (2007) Ekspresi: media komunikasi dan informasi, 2007. PPPPTK Bahasa, Jakarta, pp. 1-47. ISBN ISSN 16933826