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Small, H.: Visualizing science by citation mapping (1999)
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Small, H.: Update on science mapping : creating large document spaces (1997)
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Polanco, X.; Francois, C.: Data clustering and cluster mapping or visualization in text processing and mining (2000)
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Hook, P.A.: Using course-subject Co-occurrence (CSCO) to reveal the structure of an academic discipline : a framework to evaluate different inputs of a domain map (2017)
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Ibekwe-SanJuan, F.: Constructing and maintaining knowledge organization tools : a symbolic approach (2006)
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