In the Cirebon region, there are several environmental issues exists, one of the problems is pollution. In the context of modern information technology, there's a growing preference for electronic-based educational materials. This study aims to evaluate the environmental pollution levels in Cirebon and develop a e-pocket book as a biology learning…

The rapid development of information and communication technology demands the production of digital products. This study aims to produce a digital instructional book based on Balinese local cultures to enhance the learning outcomes of high school students. The development of this book used the ADDIE model. The analysis phase included an analysis…

The magnetic field is a more complex and abstract physics subject than other physics subjects, causing students' low ability to solve problems. So there is a need for learning instruments to overcome these problems, especially when online learning during the COVID-19 pandemic. Research creates and implements an online problem-based learning (OPBL)…

Currently, it is still rare to find teaching materials that are innovative and use technology, so they have an impact on decreasing student motivation and independence in learning. The purpose of this study was to describe the stages of developing teaching materials, determine the validity and practicality of the teaching materials produced and…