Tài liệu tham khảo bằng tiếng Anh về hội họa - Graph Drawing - Trees | Graph Drawing Tutorial Isabel F. Cruz Worcester Polytechnic Institute Roberto Tamassia Brown University Graph Drawing 0 Introduction Graph Drawing 1 Graph Drawing models algorithms and systems for the visualization of graphs and networks applications to software engineering class hierarchies database systems ER-diagrams project management PERT diagrams knowledge representation isa hierarchies telecommunications ring covers WWW browsing history . Graph Drawing