“ANALISIS CEMARAN LOGAM BERAT PADA BERAS DENGAN METODE AOAC DI LABORATORIUM DINAS PANGAN PROVINSI SUMATERA BARAT”, Trigonometri, vol. 8, no. 1, pp. 71–80, Dec. 2025, Accessed: Oct. 02, 2026. [Online]. Available: https://cibjournal.com/index.php/trigonometri/article/view/4389