2 หนังสืออิเล็กทรอนิกส์โดย Hedda Schulz
Ursula Georgy & Hedda Schulz: From CA to CAS online
Since this book was first published in 1985, tremendous changes have taken place in the field of online searching. Thus a second edition was truely over- due. Dr. Hedda Schulz, author of the first …
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