Susapti, Peni (2016) THE ANALYSIS OF THE OBSTACLE FOUND IN NATURAL SCIENCES (IPA) LEARNING PROCESS AND THE SOLUTION FOR TEACHER’S CLASS AT SIXTH GRADE OF ISLAMIC ELEMENTARY SCHOOLS IN SALATIGA. In: PROCEEDING THE 3rd SUMMIT MEETING ON EDUCATION INTERNATIONAL SEMINAR “Values – Based Learning for Wonderful Children”. Prosiding, Vol. 1 (Cet. 1). Literasi Media & Prodi PGMI UIN Suka, Yogyakarta, pp. 108-119. ISBN 978-602-74934-3-8 (In Press)