“Potential of Siam Weed Extract in Combination With Trichoderma Harzianum to Stimulate Seed Germination of Coffea Arabica”. 2024. Pelita Perkebunan (a Coffee and Cocoa Research Journal) 40 (1): 1-11. https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v40i1.595.