Wa Ode Tri Dian Jeni, Wa Ode Syafriah, Muhammad Tasjiddin Teheni. Determination of Calcium (Ca) Levels in Refilled Drinking Water in Baubau City. IJML [Internet]. 2026 Aug. 31 [cited 2026 Oct. 1];2(6):134-9. Available from: https://ejournal.poltekbaubau.ac.id/index.php/ijml/article/view/1363