Stoilova , Tsvetelina, and Hristina Rangelova. “Comparative Study on Agro-Biological and Morphological Characters of Common Bean (Phaseolus Vulgaris L.) and Cowpea (Vigna Unguiculata L.)”. Bulgarian Journal of Crop Science, vol. 63, no. 3, June 2026, pp. 111-2, https://doi.org/10.61308/VDPG4929.