Lestari, Puji, et al. “Analysis of Carotene Content in CPO to Assess the Quality of RBD Palm Olein (cooking Oil) ”. Science Midwifery, vol. 13, no. 2, June 2025, pp. 675-80, https://www.midwifery.iocspublisher.org/index.php/midwifery/article/view/1985.