M. Aliv Faizal;  Sa’diyah Halimatus;  Amalo Elizabeth Anggraeni;  Nabhan Salim;  Assidqi M.H.;  Agussalim Imam Dui: Developing Automatic English Speaking Skills Testing System Using Speech Recognition.
   In:  Proceedings of the International Conference on Applied Science and Technology on Social Science 2021 (iCAST-SS 2021).   Advances in Social Science, Education and Humanities Research  (647).  Atlantis Press International BV, Paris, pp. 577-584. (2022)  ISBN 9789462395473