Nur Hendrasto, Sutopo, Elang Ilik Martawijaya, Abdullah Haidar. Optimization of Quadruple Helix Using RUMEUNG App for Sustainable Tourism Development in West Java. JSE [Internet]. 2024Nov.30 [cited 2025Sep.10];2(2):65-82. Available from: https://idjpcr.usu.ac.id/jse/article/view/18176