Dorota Grygoruk
Open access to research data on forest ecosystems in Poland
TASK, 2017
 Artikel Jurnal
Anna Walek
The bridge to knowledge-open access to scientific research results on multidisciplinary open system transferring knowledge platform
TASK, 2017
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Tjiek, Liauw Toong
Open access : menyuburkan plagiarisme?
Pusat jasa Perpustakaan dan Informasi ( Perpustakaan Nasional RI), 2009
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Practical action research : a collection of articles
Skilight Propessional Dev, 2000
 Buku Teks
Breen, George Edward, 1911-
Do-it-yourself marketing research
McGraw-Hill , 1982
 Buku Teks