杨宇

Yang Yu: public information is limited, and his nationality, dates of birth and death, and detailed career have not been confirmed. Judging from the four works recorded in the catalog, his writing spans computer applications, economics and management, and English teaching. These include Access Database Tutorial and Experimental Guide, a textbook on database operations; Accounting Computerization: Principles and Practice—UFIDA ERP-U8 V10.1 Edition, which combines financial software practice with teaching; Engineering Economics (2nd Edition), reflecting an interest in the intersection of engineering and economics; and New Perspective College English Audio-Visual Tutorial 2, showing involvement in compiling audio-visual materials for college English. Overall, Yang Yu's works tend toward university textbooks and laboratory guides, emphasizing operational steps and practical application for study in computer science, industrial technology, and examination preparation.