http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Sách hương dẫn 1 số kỹ năng cho học sinh trong quá trình học tập và kỹ năng thi trong các kỳ thi ở nhiều môn học như: vật lý, toán, địa lý, ngoại ngữ,...
Phương pháp học,Study methods,Study skills