หลักภาษาอังกฤษขั้นสูง /

BIBTEX Dublin Core MARCXML MARC (non-Unicode/MARC-8) MARC (Unicode/UTF-8) MARC (Unicode/UTF-8, Standard) MODS (XML) RIS ISBD

Other Databases (Google Scholar) Thai Digital Collection ProQuest Dissertations & Theses Global Computer & Applied Sciences Complete (CASC) Academic Search Complete ACM Digital Library American Chemical Society Journal (ACS) Emerald Management (EM92) ScienceDirect Web of Science/a> JGATE : Social & Management Science Collection/a> SpringerLink Journal iG library ebrary eBooks EBSCO eBooks Collection Thai eBooks Gale Virtual Reference Library iQ NewsClip