Items where Author is "Ulfa, Y."
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Baioumy, H. and Ulfa, Y. (2016) Facies analysis of the Semanggol Formation, South Kedah, Malaysia: A possible Permian�Triassic boundary section. Arabian Journal of Geosciences, 9 (8). ISSN 18667511
Baioumy, H. and Ulfa, Y. and Nawawi, M. and Padmanabhan, E. and Anuar, M.N.A. (2016) Mineralogy and geochemistry of Palaeozoic black shales from Peninsular Malaysia: Implications for their origin and maturation. International Journal of Coal Geology, 165. pp. 90-105. ISSN 01665162