Julianto, Andre Marco. “A Optimization of Direction Finder in Solving Burglary Cases by the Criminal Investigation Unit of the Surabaya Metropolitan Police”. Tanggon Kosala 14, no. 1 (September 2, 2024). Accessed November 26, 2024. http://journal.akpol.ac.id/index.php/tanggonkosala/article/view/1491.