Application programs 1 Dijkstra's algorithms 1 Graph model 1 Graph visualization 1 Knowledge testing Pedagogical aspects 1 Short-path 1 Software testing 1 Spanning tree 1 Testing 1 Testing programmes 1 Trees (mathematics) 1 Visualization 1 Visualization of algorithm, algorithm on graph, application program, spanning tree, vertex traversal, short path, ford-bellman algorithm, dijkstrum algorithm, cyclomatic matrix 1 Visualization of algorithms, algorithms on graphs, application program, spanning tree, vertex traversal, shortest path, Ford-Bellman algorithm, Dijkstra algorithm, cyclomatic matrix 1 matrix 1