Fitrianti, F. (2015) “Analisis Kualitas Bonding Cement Di Zona Produktif Sumur BA 147 Menggunakan Ultra Sonic Imager Tool (USIT) Log di Lapangan BOB PT Bumi Siak Pusako-Pertamina Hulu”, Journal of Earth Energy Engineering, 4(2), pp. 29–43. doi: 10.22549/jeee.v4i2.636.