Salon Piedra, Yuliana María Use of visual aids to enhance the speaking skill of 5-5 at Elías Jiménez Castro Primary School during the second quarter 2019 - San José, Costa Rica UIA 2019 - 111 p. Bachelor in English with Concentration in Teaching Subjects--Topical Terms: TESINA INGLÉSINGLÉSINGLÉS-TEACHINGVISUAL AIDS Dewey Class. No.: TCD 10021