Nazari, Farzad. 2019. “PROPAGATION OF ENDEMIC AND ENDANGERED Sternbergia Lutea WITH A HIGH ORNAMENTAL VALUE BY BULB CHIPPING AND PLANT GROWTH REGULATORS”. Acta Scientiarum Polonorum Hortorum Cultus 18 (2):123–131. https://czasopisma.up.lublin.pl/index.php/asphc/article/view/444.