“…Second, the benefits of the results of various studies on the implementation of the EFL teacher professional development model applying a blendedlearning approach have been widely adopted by several institutions to systematically develop their EFL teachers' professionalism. Therefore, many seminal studies have examined the implementation of blended professional development from different angles such as creativity and effectiveness (Arifani et al, 2019), knowledge integration and innovative activities (Berger, Eylon, & Bagno, 2008), psychological learning needs (Wong, 2019), teacher readiness (Hung, Chou, Chen, & Own, 2010), flipped blended learning (Montgomery, Mousavi, Carbonaro, Hayward, & Dunn, 2019), systematic meta-aggregative review (Philipsen et al, 2019), pedagogical content knowledge (Van Driel & Berry, 2012;Philip et al, 2019), scaffolding (Belland et al, 2015), and technological pedagogical content knowledge (Alayyar, Fisser, & Voogt, 2012).…”