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Karwenda, Karyeti, Namnama P. Hidalgo, and Juan Jr. C. Buenrostro. Analysis of Use of the Periodical Collections of the Indonesian National Scientific Documentation Center (PDIN) and the Central Library of the Indonesian Institute of Sciences (PS LIPI). Quezon City : Institute of Library Science, University of the Philippines Diliman, 1995.

Karwenda, Karyeti, et al. Analysis of Use of the Periodical Collections of the Indonesian National Scientific Documentation Center (PDIN) and the Central Library of the Indonesian Institute of Sciences (PS LIPI). 1995.