Dr. Okta Purnawirawan is a dedicated Lecturer and Researcher in the Department of Information Systems, Faculty of Computer Science at Brawijaya University, Indonesia. With 5 years of experience, he combines academic excellence and practical insights in the fields of Vocational Education and Digital Learning. Dr. Purnawirawan holds a Doctorate in Vocational Education and focuses his research on areas such as Vocational Education Analysis, Development of Digital Learning Media, Classroom Action Experiment Research, Educational Program Evaluation Strategy, Learning Design Development, and Vocational Learning Analysis. In addition to his academic role, Dr. Purnawirawan contributes as a writer of Vocational High School books at PT. Penerbit Erlangga, showcasing his commitment to improving educational resources.