G. Prasetiyo, N. Lubis, dan E. C. Junaedi, “Review: Kandungan Kalium dan Natrium dalam Air Kelapa dari Tiga Varietas Sebagai Minuman Isotonik Alami: Review: Potassium and Sodium Content in Coconut Water from Three Varieties As Natural Isotonic Drinks”, J. Sains. Kes, vol. 3, no. 4, hlm. 593–600, Agu 2021, Diakses: Sep 19, 2026. Tersedia pada: https://jsk.ff.unmul.ac.id/index.php/JSK/article/view/506