LUCAS, MARIA RITA D. Field study 1 : the learner's development and environment/ MARIA RITA D. LUCAS - Manila : Lorimar Publishing, c2010. - xii, 59 pages : illustrations ; 28 cm. ISBN: 971-685-716-0 Subjects--Topical Terms: 1. Practice teaching--Philippines--Handbooks, manuals, etc. Dewey Class. No.: Fil. 370.71 938f 2010