Puspito, Bambang Anjar. “Development of the South Java Coastal Crossroads (Case Study of the Legundi-Planjan Road Section, Gunungkidul Regency, Special Region of Yogyakarta Province)”. ASTONJADRO 14, no. 4 (December 31, 2025): 1047–1059. Accessed January 12, 2026. http://150.107.142.43/index.php/ASTONJADRO/article/view/18945.