The Effect of Potassium and Gibberellic Acid on Some Characteristics and Yield Components of Black Seed Plant (Nigella sativa L.). Journal of the College of Basic Education, [S. l.], v. 22, n. 94, p. 93–108, 2022. DOI: 10.35950/cbej.v22i94.8363. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/8363.. Acesso em: 4 jun. 2026.