Laudański, Zbigniew, Dariusz Mańkowski, Leszek Sieczko, and Monika Janaszek-Mańkowska. “The Application of Orthogonal Contrasts to Determine Homogeneous Groups”. Plant Breeding and Seed Science 82 (December 2, 2021): 31–44. Accessed November 24, 2024. http://ojs.ihar.edu.pl/index.php/pbss/article/view/362.