Handoko, D., A. D. Hariyanto, H. Adityasna, and F. Afrianto. “Spatial Analysis of Tourism Economic Networks in East Java: A Modified Gravity Model Approach With Big Data Integration”. East Java Economic Journal, Vol. 9, no. 2, Sept. 2025, pp. 185-11, doi:10.53572/ejavec.v9i2.166.