Balashova, I., and V. Fait. 2021. “Allele Frequencies of Ppd-D1a, Ppd-B1a, and Ppd-B1c of Photoperiodic Sensitivity Genes in Spring Bread Wheat Varieties (Triticum Aestivum L.) of Various Origin”. Agricultural Science and Practice 8 (1), 3-13. https://doi.org/10.15407/agrisp8.01.003.