Tampang R, Alaydrus S, Dewi NP, Tandi J. Determination of Specific and Non-Specific Standardization Parameters for Ethanol Extract of Purple Leaves (Graptophyllum Pictum (L) Griff). jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2024 Sep. 25 [cited 2024 Nov. 22];10(9):6594-602. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/8812