2019 · Abdullah Al Mamun, Yehya M. Ahmed, et al. · The International Islamic University Malaysia Repository (The International Islamic University Malaysia) · 3
2010 · Yehya M. Ahmed, Abdullah Al‐Mamun, et al. · The International Islamic University Malaysia Repository (The International Islamic University Malaysia) · 2
2010 · Mohammed Abdulhakim Alsaadi, Abdullah Al‐Mamun, et al. · The International Islamic University Malaysia Repository (The International Islamic University Malaysia)
2010 · Yusuf Bamidele Onundi, Abdullah Al-Mamun, et al. · The International Islamic University Malaysia Repository (The International Islamic University Malaysia)
2009 · Ahmed, Yehya M., Al-Mamun, Abdullah, et al. · The International Islamic University Malaysia Repository (The International Islamic University Malaysia)