Rasyid A, Firdaus A, Setiawan D, Fitri HSA, Setialana P. Portable Construction Maps (PCM) using location fingerprint positioning algorithm for construction worker safety. JEATech [Internet]. 2022 Mar. 30 [cited 2025 Jun. 8];3(1):27-34. Available from: https://jurnal.uny.ac.id/index.php/jeatech/article/view/43666