APA (7 वां संस्करण) प्रशस्ति पत्र

Usman Abdullahi , U. (2021). Geochemistry and remediation of Fe, Mn, and as in groundwater from quaternary alluvium, lower Kelantan Basin, North-Eastern Coast of Peninsular Malaysia / Usman Abdullahi Usman.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Usman Abdullahi , Usman. Geochemistry and Remediation of Fe, Mn, and as in Groundwater from Quaternary Alluvium, Lower Kelantan Basin, North-Eastern Coast of Peninsular Malaysia / Usman Abdullahi Usman. 2021.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Usman Abdullahi , Usman. Geochemistry and Remediation of Fe, Mn, and as in Groundwater from Quaternary Alluvium, Lower Kelantan Basin, North-Eastern Coast of Peninsular Malaysia / Usman Abdullahi Usman. 2021.

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