Panthi, U., S. Bartaula, A. Adhikari, K. Timalsena, S. Khanal, and S. Subedi. “Effects of Potassium Levels on Growth and Productivity of Potato Varieties in Inner Terai of Nepal”. Journal of Agriculture and Natural Resources, vol. 2, no. 1, Oct. 2019, pp. 274-81, doi:10.3126/janr.v2i1.26090.