Pengaruh Penerapan Pembelajaran PBL Berbantuan Alat Peraga terhadap Hasil Belajar IPA Siswa Kelas IV SDN 21 Lubuk Lintah Kota Padang
The Effect of Implementing PBL Learning Assisted by Teaching Aids on Science Learning Outcomes for Class IV Students at SDN 21 Lubuk Leech, Padang City