Nagai, Takeshi, Takumi Nagata, Yasuhiro Tanoue, Norihisa Kai, and Nobutaka Suzuki. 2019. “Potentials of Representative Heirloom Vegetables on Shonai Region of Yamagata, Japan”. Emirates Journal of Food and Agriculture 31 (2):109-17. https://doi.org/10.9755/ejfa.2019.v31.i2.1913.