Suroso, D. J. ., Krisnawan, A. B. ., Rupaksi, R. . and Hawibowo, S. . (2022) “IMPLEMENTATION OF RANGE-BASED AND RANGE-FREE 3D INDOOR LOCALIZATION IN MULTI-STORY BUILDING BASED ON RSSI”, ASEAN Engineering Journal, 12(1), pp. 93-103. doi: 10.11113/aej.v12.16801.