Demo article 4 Authors Indah Suryani Universitas Udayana Fajar Maulana ITS Surabaya Lestari Anggraini Universitas Gadjah Mada Wahyu Setiawan Institut Teknologi Bandung Published 2024-05-05 Issue Vol. 1 No. 1 (2026) Section Universitas Gadjah Mada Bandung Institute of Technology