List of Articles local minimum Open Access Article Abstract Page Full-Text 1 - Path Planning of Mobile Robots using the Artificial Potential Field Method and the Harris Hawks Metaheuristic Algorithm Hosein Saili Masine Mohammad Saadat Open Access Article Abstract Page Full-Text 2 - Estimating base-flow to assess environmental flow in the rivers of arid and semi-arid regions (Case study: Shamkan river, Sabzevar) Mahdi Zarei Mahdi Boroughani Seyed Hassan alavinia