Zuriani Yaacob, Pauline Georgina Priya Hebert Sundram, Khamizatul Baizura Idris, and Faiza Rostam Affendi, “REVALIDATION OF LEARNERS’ LEARNING ENGAGEMENT SCALE IN ONLINE ESL CLASSROOM: A FUZZY DELPHI APPROACH”, JISED, vol. 8, no. 57, Oct. 2023.