“…Additionally, Huy et al (2020) defined BL as a program that includes "traditional lectures, virtual or online lessons, multimedia contents especially videos and audios, email systems, discussion forums, and a chat system." Furthermore, this is also the synchronization of learning in conventional onsite learning and online learning, which can be presented on a continuum in Figure 1 below, with BL between the two ends, namely onsite and online learning (Allan, 2007;Phuong et al, 2022;Reinders, 2012;Stein & Graham, 2014;Vu et al, 2022). A course in the blended mode could fall anywhere in this spectrum in that the rate of onsite and online meetings is arbitrary (Stein & Graham, 2014).…”