Benacerraf, Beryl R.
Gynecologic ultrasound: a problem-based approach
Elsevier, 2014
 Buku Teks SO
One-day, one-problem: an approach to problem-based learning
Glen O’Grady, Elaine H.J. Yew, Karen P.L. Goh, Henk G. Fchmidt, editor
[, Springer], 2012
 eBooks
Sebastian, Juliann G.
Case studies in community health nursing practice : a problem-based learning approach
Mosby, 1999
 Buku Teks SO
Spencer, Peter
Case studies for manual therapy : a problem based approach / Peter Spencer
Churchill livingstone , 1998
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Misra, Satya Swarup
The aryan problem: a linguistic approach
Munshiram Manohorlal, 1992
 Buku Teks SO