Absorbance Characteristics of Chlorophyll Extracts of Spinach (Amaranthus Hybridus & Amaranthus tricolor) and Water spinach (Ipomea spp.) as Sensitizers. J. Phys. Soc. Ind. [Internet]. 2025 Oct. 31 [cited 2025 Nov. 5];1(2):145-54. Available from: https://journal.fisika.or.id/index.php/jpsi/article/view/54