Al-Oufi, A., Al-Tarazi, E., Mustafa, H.A., and Abu Rajab, J., (2008): Exploration of the extension of two lava tubes, faults and dikes using very low frequency-electromagnetic technique in NE Jordan. Acta Geophysica. Vol. 56, Issue No. 2, pp. 466-484. Institute of Geophysics, Polish Academy of Sciences. DOI https://doi.org/10.2478/s11600-008-0009-y
Al-Oufi, A., Al-Malabeh, A., and Al-Tarazi, E. (2012): Characterization of Lava Caves, Using 2D Induced Polarization Imaging, Umm Al Quttein area, NE Jordan. 15TH International Symposium on Volcanospeleology, March 15-22, 2012. Abstract. p. 71-83, Zarka-Jordan.
Al-Oufi, A.N., (2006): Geophysical Exploration of Lava Tubes in Umm El-Quttein Area, NE Jordan. Master's Thesis, Yarmouk University, Irbid-Jordan, (XXIV + 271p.) (Abstract)
Al-Oufi, A.N., and Al-Amry, S.S., (1999): Subsurface Geophysical Investigation in Aqiq Ghamed Ancient Mine. Unpubl. B.Sc. Thesis Report, (Unpubl.) (ix + 100p.), King Abdulaziz University, Jeddah- Saudi Arabia.