[1]
Widyaningsih, E. 2022. Application Of The Group Investigation Model, Using Whatsapp To Increase Learning Outcomes For Class VI Students Of Sd Negeri Trayu Samigaluh Academic Year 2020/2021. IJCER (International Journal of Chemistry Education Research). 6, 2 (Oct. 2022), 102–107. DOI:https://doi.org/10.20885/ijcer.vol6.iss2.art6.