Gundala, Belangie Tuahte, et al. “The Development of Germination Tests and Breaking Dormancy Techniques of Bitter Seeds (Andrographis Paniculata (Burm. f.) Wall. Ex Nees)”. Journal of Tropical Crop Science, vol. 10, no. 02, June 2023, pp. 124-32, doi:10.29244/jtcs.10.02.124-132.