1.
Leekriangkrai U, Laitip N, Taebunpakul S, Tangpaisarnkul N. Development of Thailand reference material for determining some elements in green chiretta (Andrographis paniculata) powder. Bull Appl Sci. [internet]. 2023 Apr. 26 [cited 2025 Dec. 9];12(1):15-26. available from: https://ph03.tci-thaijo.org/index.php/BAS/article/view/BAS_Vol12No1_p15-26