Designing and evaluating a low-cost micro-viscometer using a quartz crystal resonator (QCR) and an Arduino DUE microcontroller board. Orinoquia [Internet]. 2017 Jul. 16 [cited 2026 Sep. 14];21(1 Sup):45-5. Available from: https://ojs-orinoquia-prueba.metarevistas.org/index.php/orinoquia/article/view/430