Sri Estimurti, Endang, and Siti Raudah. 2019. “Upaya Meningkatkan Hasil Belajar Ipa Menggunakan Metode Problem Solving Berkolaborasi Dengan Metode Eksperimen Pada Peserta Didik Kelas III Di SD Islam Nurul Ihsan Palangkaraya: Efforts To Improve Ipa Learning Outcomes Using Collaboration Problem Solving Method With Experimental Methods In Grade III Students In Islamic Elementary School Nurul Ihsan Palangkaraya”. Tunas: Jurnal Pendidikan Guru Sekolah Dasar 5 (1):1-6. https://doi.org/10.33084/tunas.v5i1.1182.