ISBN 10: 7121280701 ISBN 13: 9787121280702
Da: liu xing, Nanjing, JS, Cina
EUR 78,20
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Aggiungi al carrellopaperback. Condizione: New. Paperback. Pub Date: 2016-03-01 Pages: 236 Language: Chinese Publisher: Electronic Industry Press how firmly stick the old customers and attract new users. read the user's preferences and interests emotions. this is the method is crucial for the development of enterprises and even in respect of life and death issue. to solve this problem is the recommended system. This book is divided on the lower three. a total of 13 chapters. papers on engineering knowledge base for users portraits. includi.