Khalifa, Salma Hasan Almabrouk, and Ahmad Affendi Shabdin. 2016. “SCAFFOLDINGAND REINFORCEMENT: USING DIGITAL LOGBOOKS IN LEARNING VOCABULARY”. Proceedings of The ICECRS 1 (1), picecrs.v1i1.521. https://doi.org/10.21070/picecrs.v1i1.521.