“BIO-ECOLOGICAL CHARACTERISTICS, ORNAMENTAL FEATURES AND TECHNOLOGY OF GROWING SEEDLINGS OF MAPLE (ACER PLATANOIDES L.), MAPLE (ACER SEMENOVII RGL. ET HERD.) AND PENNSYLVANIA ASH (FRAXINUS PENNSYLVANICA MARSH) ” (2023) American Journal of Pedagogical and Educational Research, 15, pp. 173–186. Available at: https://americanjournal.org/index.php/ajper/article/view/1168 (Accessed: 22 October 2025).