ABUMHADI, N., TODOROVSKA, E., ASSENOV, B., TSONEV, S., VULCHEVA, D., VULCHEV, D., ATANASOVA, L., SAVOVA, S., & ATANASSOV , A. (2012). Agricultural Research in 21st century: Challenges facing the food security under the impacts of climate change. Bulgarian Journal of Agricultural Science, 18(6), 801-818. https://agriacad.eu/ojs/index.php/bjas/article/view/5851