This study aims to develop an online-based collaborative project learning model design that can improve students' abilities in developing teaching materials. The method used is research and development. Data collection instruments are questionnaires and rubrics. Data analysis used descriptive statistics. The validation test used the individual…

Teaching materials and content on UNP e-learning are already available and can be accessed by students, but case study-based teaching materials with digital content are not available. Teaching materials in the digital form need to be further developed, especially case study-based ebooks. This study was aimed to develop digital teaching materials…