Amanda, Tria, et al. “Product Development of High Carotenoids Chocolate Confectionery Based on Red Palm Olein Oleogel”. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), vol. 14, no. 5, Oct. 2025, pp. 1893-04, doi:10.23960/jtepl.v14i5.1893-1904.