TY - JOUR TI - The linear programming model for predicting the level of labour employment after dam failure by using dummy variable technique AU - TORABI, H.A. AU - NAJARCHI, M. AU - MAZAHERI, H. AU - JAFARINIA, R. AU - IZADIKHAH, M. JO - Sigma Journal of Engineering and Natural Sciences PY - 2023 VL - 41 SP - 503 EP - 511 DO - 10.14744/sigma.2023.00057 ER -