“Effect of Compost and Green Manure to Growth Performance of Hibiscus sabdariffa.L and Grown on BRIS Soil”. Journal of Tropical Resources and Sustainable Science (JTRSS) 7, no. 1 (May 27, 2019): 12–18. Accessed August 22, 2025. https://journal.umk.edu.my/index.php/jtrss/article/view/498.