Sarofa U, Puspitasari S, Rosida. Effect of Type and Concentration of Acid on Chemical Characteristics of Mexican Petunia (Ruellia simplex C. Wright) Flower Extract. Nusantara Sci. and Tech. Proc. [Internet]. 2024 Oct. 29 [cited 2025 May 20];2024(45):20-5. Available from: https://nstproceeding.com/index.php/nuscientech/article/view/1282