Salana, June P., Field study 1 : the learner's development and environment / June P. Salana. - Manila, Philippines : Rex Books Store, 2013. - viii, 65 pages : tables ; 25 cm. Includes reference. English ISBN: 9789712366390 Subjects--Topical Terms: Field study - learner's development. Dewey Class. No.: 371.1 / S161f