Kulachamanimon, Natcha, Roongtip Luilao, and Chutima Chawalitmontien. 2023. “EFFECT OF DYEING REPETITION ON COLOR CHANGE OF COTTON FABRIC WITH EXTRACTION OF DYES FROM INDIGO (INDIGOFERA TINCTORIA) LEAF POWDER”. Srinakharinwirot University Journal of Sciences and Technology 15 (30, July-December):1-11, Article 251602. https://ph02.tci-thaijo.org/index.php/swujournal/article/view/251602.