Visi 2 Junping Qiu izlaidumi pie Paperback Book un Hardco...
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![Cover for Junping Qiu · Informetrics: Theory, Methods and Applications (Paperback Book) [Softcover reprint of the original 1st ed. 2017 edition] (2018)](https://imusic.b-cdn.net/images/item/original/290/9789811350290.jpg?junping-qiu-2018-informetrics-theory-methods-and-applications-paperback-book&class=scaled&v=1619642468)
![Cover for Junping Qiu · Informetrics: Theory, Methods and Applications (Hardcover Book) [1st ed. 2017 edition] (2017)](https://imusic.b-cdn.net/images/item/original/313/9789811040313.jpg?junping-qiu-2017-informetrics-theory-methods-and-applications-hardcover-book&class=scaled&v=1508673879)