Vol. 5 No. 4 (2026): October - December

This issue features four research articles and two academic articles reflecting innovative approaches to educational development across diverse contexts—ranging from educational innovation in sustainable engineering through waste cooking oil-fueled furnaces, work readiness of students in the digital age based on NACE career readiness competencies and Social Cognitive Career Theory, learning ecosystem guidelines for preventing childhood obesity, competency development for teachers in competency-based and self-directed learning, the use of Canva AI-generated online games for English spelling development, to school administration guidelines based on the Philosophy of Sufficiency Economy. All articles have undergone double-blinded peer review by three qualified reviewers.