Palm Oil Clinker as a Waste by-Product: Utilization and Circular Economy Potential

*Ahmad Hussaini Jagaba, Shamsul Rahman Mohamed Kutty, Gasim Hayder Ahmed Salih, Azmatullah Noor, Mohammad Fakhuma Ubaidillah bin Md Hafiz, Nura Shehu Aliyu Yaro, Anwar Ameen Hezam Saeed, Ibrahim Mohammed Lawal, Abdullahi Haruna Birniwa and Abdullahi Usman Kilaco*
