R. Draghici, M. Croitoru, A. Diaconu, M. Dima, C. Gheorghe. "RESEARCH QUALITY SWEET POTATOES ON SANDY SOIL." 5th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2018 (2018): 747-754. https://doi.org/10.5593/sgemsocial2018/1.3/S04.092