Siregar, M. 2021. INFORMATION SYSTEM DESIGN OF SHAHIRAH RAHMAWATI DENTIST’S PRACTICE BASED ON WEB AND SMS GATEWAY USING THE RATIONAL UNIFIED PROCESS METHODOLOGY. JURNAL TEKNOLOGI DAN OPEN SOURCE. 4, 1 (Jun. 2021), 85-92. DOI:https://doi.org/10.36378/jtos.v4i1.1393.