“…The flexible contents are easily handled by the instructor, based on the student's needs or situations, such as tests, assignments, discussions, etc., whereas the pre-recorded contents are a rigid set of information and are inflexible, including streaming the contents on the media, directing a learner down a specific path of learning outcomes. Blended learning, as a more learner-centered educational approach, allows for communication, collaboration and interaction [39][40][41], as well as flexibility for the instructor to overcome the drawbacks of the unilateral transfer of information, lack of interaction, isolation, etc. [42].…”