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 Aug. 5];21(1 Sup):45-5. Available from: https://orinoquia.dev5.metabiblioteca.com.co/index.php/orinoquia/article/view/430