de Guzman, Estefania S., Field study 1 : learner development in one's environment / Estefania S. de Guzman. - Manila, Philippines : Adriana Publishing Co., Inc., 2015. - xx, 58 pages : tables, pictures ; 25 cm. Includes bibliography. English ISBN: 9789719656050 Subjects--Topical Terms: Field study - learner development -philippines. Dewey Class. No.: 371.1 / D317f