KIRDMALAI N. DEVELOPMENT AND VALUE ADDED BUILDING OF INDIGO PRODUCT TO COMMERCIAL HALAL STANDARD REQUIREMENT. Res Comm Soc Dev J [internet]. 2021 Feb. 2 [cited 2026 Oct. 5];15(1):153-64. available from: https://so04.tci-thaijo.org/index.php/NRRU/article/view/244123