Nurdiansyah, Hendra, Agung Risdhianto, and Much. Mualim. “Spatial Planning of the East Java Provincial Government During the Covid-19 Pandemic in Supporting State Defense”. International Journal of Social Science, Education, Communication and Economics 1, no. 5 (December 8, 2022): 581–592. Accessed April 19, 2025. https://sinomicsjournal.com/index.php/SJ/article/view/66.