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This study investigated the effect of a virtual laboratory created using a scratch program on learners’ academic performance and attitude toward learning acid-base reactions. In this study, an interactive scratch project based on the four aspects of learning modalities was created on how...

In the last few centuries, information has highly appreciated in value and its sources have greatly increased in number. The introduction of the web 2.0, which allowed users not only to retrieve but also generate information as authors, gave birth to a whole new data source called social media....

A college timetable is a temporal arrangement of a set of lectures and classrooms in which all given constraints be it hard or soft are satisfied. The Time Tabling Problem is a well-known combinatorial search problem that consists of scheduling events over a period of time. The events being...