Issue Title
Vol 34, No 2 (2019) Identification of Quaternary Sediments and the Existence of Biogenic Gas Sources in the Topang Delta, Meranti, Riau Abstract  PDF
Purnomo Raharjo, Mario Dwi Saputra, Delyuzar Illahude, Priatin Hadi Wijaya
Vol 31, No 1 (2016) Shallow Gas Features Based on Interpretation of Bottom Profilling Records at Topang Delta, Meranti Regency, Riau Province Abstract  PDF
Purnomo Raharjo, Andrian Willyan Djaja, Ediar Usman
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