Muhammad Iqbal Maruf, and Mawardi. 2023. “UPAYA PENINGKATAN COLLABORATION SKILLS MELALUI PEMBELAJARAN PROBLEM BASED LEARNING (PBL) Di KELAS V SDN TINGKIR TENGAH 02 SALATIGA”. Didaktik : Jurnal Ilmiah PGSD STKIP Subang 9 (04), 2490 -98. https://doi.org/10.36989/didaktik.v9i04.1838.