Savasli, E., O. Onder, C. Cekic, H. M. Kalayci, R. Dayioglu, Y. Karaduman, F. Gokmen, N. Dursun, and S. Gezgin. “Sensor Based Calibration Study for in-Season Nitrogen Management of Winter Wheat in Turkey”. Asian Journal of Medical and Biological Research, vol. 6, no. 2, July 2020, pp. 204-11, doi:10.3329/ajmbr.v6i2.48051.