HAKOP WALANGADI , ELMIA UMAR , NURAIN SALEH. IMPROVING LEARNING OUTCOMES USING IPS LEARNING PROBLEM-BASED LEARNING APPROACH IN CLASS IV STUDENTS OF SDN 7 TELAGA BIRU GORONTALO DISTRICT. British Journal of Global Ecology and Sustainable Development, [S. l.], v. 11, p. 28–40, 2022. Disponível em: http://journalzone.org/index.php/bjgesd/article/view/172. Acesso em: 31 jan. 2025.