Munajib A. The Effect of Fermentation Duration and Concentration Variation of Gyrinops versteegii Leaf Decoction on The Alcohol Content of Gyrinops versteegii Leaf Decoction Water Kefir and Its Integration with The Qur’anic Interpretation. icse [Internet]. 2021 Feb. 26 [cited 2025 Jan. 21];4:70-5. Available from: http://sunankalijaga.org/prosiding/index.php/icse/article/view/623