ANALISIS CEMARAN LOGAM BERAT PADA BERAS DENGAN METODE AOAC DI LABORATORIUM DINAS PANGAN PROVINSI SUMATERA BARAT. Trigonometri [Internet]. 2025 Dec. 20 [cited 2026 Oct. 2];8(1):71-80. Available from: https://cibjournal.com/index.php/trigonometri/article/view/4389