by Umar, H.A., Abdul Khanan, M.F., Ogbonnaya, C., Shiru, M.S., Ahmad, A., Baba, A.I.
Published in Heliyon (01.05.2021)

by Zeng, Xiaohui, Zhu, Huasheng, Lan, Xuli, Liu, Haichuan, Umar, H A, Xie, Youjun, Long, Guangcheng, Ma, Cong
Published in Materials (03.04.2020)

by Ahmad, Rabi Kabir, Sulaiman, Shaharin Anwar, Yusuf, Suzana B, Dol, Sharul Sham, Umar, H.A, Inayat, M.
Published in Platform, a Journal of Engineering (28.02.2020)

by Umaru, O.B., Abdulwahab, M., Tokan, A., Bello, A.M., Umar, H.A.
Published in Results in physics (2016)

by Umar, H.A., Sulaiman, S.A.
Published in Fuel (Guildford) (15.02.2022)

by Zeng, Xiaohui, Liu, Haichuan, Zhu, Huasheng, Ling, Chenbo, Liang, Kun, Umar, H.A, Xie, Youjun, Long, Guangcheng, Ma, Cong
Published in Construction & building materials (10.09.2020)

by Zeng, Xiaohui, Zhu, Huasheng, Lan, Xuli, Umar, H.A., Xie, Youjun, Long, Guangcheng
Published in Construction & building materials (08.03.2021)

by Umar, H.A., Sulaiman, S.A., Meor Said, M.A., Gungor, A., Shahbaz, M., Inayat, M., Ahmad, R.K.
Published in Biomass & bioenergy (01.08.2021)

by Tian, Xu, Kohar, Umar H. A, Khatib, Saleh F. A, Wang, Yan
Published in Sustainability (01.04.2024)

by Umar, H A, Sulaiman, S A, Ahmad, R K, Tamili, S N
Published in IOP conference series. Materials Science and Engineering (01.05.2020)

by Ahmad, R K, Sulaiman, S A, Inayat, M, Umar, H A
Published in IOP conference series. Materials Science and Engineering (01.05.2020)