Gulidova, Valentina Andreevna, Vladimir Alexandrovich Kravchenko, y Vyacheslav Leonidovich Zakharov. «Optimization of The Soil Agrophysical Properties for Spring Rape on Leached Black Soil». Amazonia Investiga 9, no. 29 (mayo 18, 2020): 63–68. Accedido diciembre 20, 2025. https://mail.amazoniainvestiga.info/index.php/amazonia/article/view/1368.