Paduloh, P. 2023. Monitoring Viscosity of Polymer Products on the Reactor Tank Using IoT-based NodeMCU. Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri. 25, 1 (May 2023), 53-64. DOI:https://doi.org/10.9744/jti.25.1.53-64.