Lumingkewas, Adeleyda M W, et al. “The Influence of Temperature to Rutin Concentration of Buckwheat Grains in Humid Tropic”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 20, no. 1, Jan. 2015, pp. 1-9, https://gssrr.org/JournalOfBasicAndApplied/article/view/3393.