“Study of Essential Oil Extraction of Rosella Flower Petals (Hibiscus Sabdaíiffa L.) Water Steam Destilation Method”. International Journal of Advanced Technology and Social Sciences (IJATSS), vol. 1, no. 1, Aug. 2024, pp. 29-36, https://penerbitjurnalinternasional.com/index.php/ijatss/article/view/142.