Asyura, Siti Hikmatul, et al. “The Effect of Kurut Wood (Dysoxylum Parasiticum) and Jackfruit Wood (Artocarpus Heterophyllus) on the Natural Fermentation of Palm Juice and Palm Sugar Quality”. Jurnal Pijar Mipa, vol. 18, no. 3, May 2023, pp. 415-9, doi:10.29303/jpm.v18i3.3256.