TY - JOUR AU - Sardar Shahraki, Ali AU - Hashemi Tabar, Mahmood AU - Aliahmadi, Neda TI - Assessment the Effects of Drought on Economic Development and Planning Optimal Strategy for Sustainable Livelihood in Sistan JO - Regional Planning VL - 10 IS - 2 SP - 51 EP - 64 PY - 2020 DO - ER -