R. T. Jurnal, “ANALISIS KEKUATAN PIPA GLASS-FIBER REINFORCED EPOXY TERHADAP BEBAN IMPAK, BEBAN TEKUK, DAN BEBAN TEKAN DI JOB PERTAMINA-PETROCHINA EAST JAVA: Eko Sulistiyo, Fadel Muhamad”, powerplant, vol. 4, no. 4, pp. 228–236, Feb. 2019.