Lucas, Maria Rita D., Field study 1 : the learner's development and environment / Maria Rita D. Lucas. - Manila, Philippines : Lorimar Publishing, Inc. 2015. - xii, 59 pages : tables ; 27 cm.+ English ISBN: 9716857160 Subjects--Topical Terms: Activity sheet - learner's development. Dewey Class. No.: 370.733 / L9331