Mohammad Ramdan Zakaria et al. 2020. IMPROVING STUDENT’S INTEREST AND LEARNING OUTCOMES THROUGH THEN INQUIRY APPROACH IN IPS LESSONS ON NATURAL AND MANUFACTURED VIEWS MATERIALS IN INDONESIA IN CLASS V SDN 8 BONE, BONE BOLANGO REGENCY. International Journal of Innovations in Engineering Research and Technology. 7, 12 (Dec. 2020), 236–245.