Kozak, Marcin, Dariusz Gozdowski, Shakhawat Hossain, S. Ejaz Ahmed, Zbigniew Laudański, and Zdzisław Wyszyński. “Canonical Correlations in Studying Grain Yield and Protein Content As Affected by Yield Components: An Ontogenetic Approach”. Plant Breeding and Seed Science 54 (December 22, 2006): 17–27. Accessed December 6, 2025. https://ojs.ihar.edu.pl/index.php/pbss/article/view/639.