The document discusses the principles, benefits, and processes of problem-based learning (PBL) and project-based learning (PjBL), highlighting their significance in enhancing self-directed learning, problem-solving skills, and collaboration among students. It outlines the advantages of PBL, particularly for English as a foreign language learners, and emphasizes the integration of technology and productivity tools in these learning approaches. Additionally, it notes the evolution of project-based learning as a method rooted in experiential learning theories, supported by various research findings.