EFEKTIVITAS ALAT PENYANGRAI BIJI KOPI MODERN CITA RASA TRADISIONAL BERBASIS ARDUINO UNO. Noe [Internet]. 2021 Nov. 11 [cited 2025 Apr. 18];4(2):137-42. Available from: https://ojs.unpkediri.ac.id/index.php/noe/article/view/16752