<style face="normal" font="default" size="100%">RECORDED VIDEO VERSUS NARRATED ANIMATION IN TEACHING PHYSICS PROBLEM-SOLVING: THE INFLUENCE OF PROBLEM DIFFICULTY LEVEL</style>

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<style face="normal" font="default" size="100%">RECORDED VIDEO VERSUS NARRATED ANIMATION IN TEACHING PHYSICS PROBLEM-SOLVING: THE INFLUENCE OF PROBLEM DIFFICULTY LEVEL</style>

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<style face="normal" font="default" size="100%">PERCEIVED USABILITY OF INFORMATION AND COMMUNICATION TECHNOLOGY AND ACCEPTANCE OF VIRTUAL FIELD TRIPS BY LOWER SECONDARY STUDENTS, UNDERGRADUATE STUDENTS AND IN-SERVICE TEACHERS</style>