Wulandari Y. Rancang Bangun Alat Tingkat Kematangan Ikan Sarden Homemade Dengan LCD Display 1602 Blue Blacklight. RJTI [Internet]. 2022 Jul. 1 [cited 2024 Nov. 23];3(2):44-8. Available from: https://journal.upp.ac.id/index.php/rjti/article/view/2884