Peer-Reviewed Journal Papers

1. Hackman, J. K., Ayarkwa, J., Osei-Asibey, D., Adjei-Kumi, T., & Kissi, E.(2021),Re-examining the Benefits of Decentralization for Infrastructure Delivery at the Metropolitan Municipal and District Assemblies (MMDAs) in Ghana. Advances in Social Sciences Research Journal, 8(2) 382-397
2. Hackman, J. K., Ayarkwa, J., Osei-Asibey, D., Adjei-Kumi, T., Alex Acheampong, and Prince Asher (2021). Direct Labour as A Procurement Route for Infrastructure Delivery within Metropolitan, Municipal and District Assemblies (MMDAs) in Ghana. Advances in Social Sciences Research Journal, 8(5), 293-312. DOI:10.14738/assrj.85.10201
3. Hackman, J. K, Ayarkwa, J. , Osei-Asibey, D. , Acheampong, A. and Nkrumah, P. (2021) Bureaucratic Factors Impeding the Delivery of Infrastructure at the Metropolitan Municipal and District Assemblies (MMDAs) in Ghana. World Journal of Engineering and Technology, 9, 482-502. doi: 10.4236/wjet.2021.93032.
4. Hackman, J. K, Ayarkwa, J. , Osei-Asibey, D. , Adjei-Kumi, T. , Acheampong, A. and Ampratwum, G. (2021) Assessing Drivers of Infrastructure Delivery at the Metropolitan, Municipal and District Assemblies (MMDAs) in Ghana. Open Journal of Social Sciences, 9, 69-85. doi: 10.4236/jss.2021.96008.
5. Acheampong, A., Hackman, J. K, Ayarkwa, J. and Agyekum, K. (2014), Factors Inhibiting the Use of Indigenous Building Materials (IBM) in the Ghanaian Construction Industry. Africa Development and Resources Research Institute Journal, Ghana: Vol. 8 No. 2, pp. 1-14

Peer-Reviewed Conference Papers

1. Hackman,  J. K, Acheampong, A., K. Agyekum and Ayarkwa, J. (2015), Factors Affecting Site Supervision in the Ghanaian Construction Industry. In: Badu, E., Dinye, R., Ahadzie, D. and Owusu-Manu, D. (Eds.), Proceeding’s of 4^th International Conference on Infrastructural Development in Africa (ICIDA 2015), Kumasi, Ghana.
2. Acheampong, A., Hackman, J. K. and Ayarkwa, J. (2014), Factors Inhibiting the Use of Indigenous Building Materials (IBM) in the Ghanaian Construction Industry, In: Ejohwomu, O. & Oshodi, O (Eds.), Proceedings of 3rd International Conference on Infrastructural Development in Africa (ICIDA 2013), Abeokuta, Nigeria, pp. 216-226, ISBN 978-978-938-173-9.