1.
Nugrahani MB, Listyarini RV. Development of Universal Indicator from Organic Waste Material. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2023 Apr. 30 [cited 2024 May 20];9(4):1765-71. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/1567