Tan, Oon Seng. Problem-based learning innovation : using problems to power learning in the 21st century / Oon-Seng Tan. - Singapore : Thomson, c2003. - x, 162 p. : ill. ; 23 cm. Includes bibliographical references. ISBN: 9812437177 (pbk) 9789812437174 (pbk.) Subjects--Topical Terms: Problem-based learning. Dewey Class. No.: 371.39 / TAN