Yulianti, D. et al. 2023. DESAIN SISTEM MONITORING FLOWMETER KOMUNIKASI RS 232 MENGGUNAKAN SOFTWARE NODE-RED PADA FUEL CELL ELECTRIC VEHICLE: Design of RS 232 Communication Flowmeter Monitoring System using Node-Red Software for Fuel Cell Electric Vehicle. Jurnal Konversi Energi dan Manufaktur. 8, 2 (Jul. 2023), 115 – 123. DOI:https://doi.org/10.21009/JKEM.8.2.5.