Rumіantsev M. Н.; Lyk’yanets, V. A.; Samoday, V. P.; Ihnatenko, V. A.; Sotnikova, A. V.; Trophymenko, M. Y. FEATURES OF ADVANCE REGENERATION OF ECONOMICALLY VALUABLE SPECIES UNDER THE CANOPY OF NATURAL OAK STANDS IN FRESH AND MOIST MAPLE-LIME FAIRLY FERTILE OAK FOREST TYPE IN THE LEFT-BANK FOREST-STEPPE PART OF THE SUMY REGION. Forest. and Forest Melior. 2018, 35-40.