This study aims to develop an e-module integrated Problem-Based Learning (PBL), validate the feasibility of the developed e-module, and analyze student responses to its use in learning. The research was conducted at two schools in Riau Province, namely SMA Negeri 2 Siak Hulu and SMA Negeri 3 Siak Hulu, employing the ADDIE development model, which was focused up to the development stage. Validat…