Peltonen-Sainio, Pirjo, and Jarkko K. Niemi. “Protein Crop Production at the Northern Margin of Farming: To Boost or Not to Boost”. Agricultural and Food Science 21, no. 4 (December 18, 2012): 370–383. Accessed April 19, 2024. https://journal.fi/afs/article/view/6334.