1. Aprilian, S, Kurnely, K, & Novian, K 2003, “Rejuvenation of matured oil fields in South Sumatra, Indonesia”, paper presented to the SPE Asia Pacific Oil and Gas Conference and Exhibition, Jakarta, 9-11 September.
2. Eni, H, Suwartiningsih & Sugihardjo 2007, ‘Studi penentuan rancangan fluida injeksi kimia’, paper presented to the IATMI National Symposium, Yogyakarta, 25-28 July.
3. Eni, H, Suwartiningsih & Sugihardjo 2008, ‘Studi laboratorium untuk reaktivasi lapangan X dengan injeksi kimia’, paper presented to the IATMI National Symposium and Congress X, Jakarta, 12-14 November.
4. Farouq Ali, SM & Thomas, S 1996, ‘The promise and problems of enhanced oil recovery methods’, Journal of Canadian Petroleum Technology, vol. 35, no. 7, pp. 57–63.
5. Kristanto, D & Bintarto, B 2008, ‘Perencanaan perolehan minyak menggunakan metode soaking surfactant’, paper presented to the IATMI National Symposium and Congress X, Jakarta, 12-14 November.