Quoc Viet, Nguyen, 		Anh Hung, Pham, 		Thi Hong, Tran, AND 		Thi Kim Dung, Le.
" Assessing the Impact of Drought on Agricultural Production and Proposing the Conversion of Suitable Cropping Systems in Thach Ha District, Ha Tinh Province" <em>VNU Journal of Science: Earth and Environmental Sciences</em> [Online], Volume 35 Number 4 (17 December 2019)