a bstrac t   background: organizational and structural obstacles are a group of major obstacles in achievement of appropriate family planning counseling. detection of these obstacles from the viewpoint of managers, staffs and clients who are key members in health services providing system is a major step toward appropriate planning to modify or delete this group of obstacles. the present study ...

the problem of navigation among movable obstacles (namo) is to find a collision free path for a robot while the robot is able to manipulate and transfer some objects (if possible or needed) to clear its path toward the goal. namo is a np-complete problem and is in a class of motion planning problems that have dynamic environments. in this domain, an optimal plan for the robot can be defined wit...

the aim of this study was to use ahp method to rank the obstacles to improving professional ethics in sport media. in the first step, the existing obstacles were identified by review of literature, searching the authentic websites and finally interview with sport media experts. after this step, the hierarchy tree was portrayed to rank the obstacles and then the analytical hierarchy process (ahp...