Jaff, R., Lawa, F. (2020). Biostratigraphy and Systematic Palaeontology of Late Cretaceous Heterohelicidae Foraminifera from Kurdistan Region North-eastern Iraq. DIYALA JOURNAL OF ENGINEERING SCIENCES, 20(2), 33-63. doi: 10.33899/earth.2020.170360
Rawand Jaff; Fadhil Lawa. "Biostratigraphy and Systematic Palaeontology of Late Cretaceous Heterohelicidae Foraminifera from Kurdistan Region North-eastern Iraq". DIYALA JOURNAL OF ENGINEERING SCIENCES, 20, 2, 2020, 33-63. doi: 10.33899/earth.2020.170360
Jaff, R., Lawa, F. (2020). 'Biostratigraphy and Systematic Palaeontology of Late Cretaceous Heterohelicidae Foraminifera from Kurdistan Region North-eastern Iraq', DIYALA JOURNAL OF ENGINEERING SCIENCES, 20(2), pp. 33-63. doi: 10.33899/earth.2020.170360
Jaff, R., Lawa, F. Biostratigraphy and Systematic Palaeontology of Late Cretaceous Heterohelicidae Foraminifera from Kurdistan Region North-eastern Iraq. DIYALA JOURNAL OF ENGINEERING SCIENCES, 2020; 20(2): 33-63. doi: 10.33899/earth.2020.170360