Analysis of the influence of the barrier against a range of active and passive RFID and its performanceMochammad Junus, Tundung Subali Patma, Awan Setiawan, Arddy Awangga Kusuma and Isa MahfudiMATEC Web Conf., 197 (2018) 11014DOI: https://doi.org/10.1051/matecconf/201819711014