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APA Citation
Damanhuri, M. I. M., Kumar, L. D. P., Borhan, M. T., Sani, S. S., & Taha, H. (2019). evaluation of jigsaw puzzles in writing the chemical formula of ionic compounds among the 10th grade students. Journal of physics, 1156, . http://access.bl.uk/ark:/81055/vdc_100079576465.0x000013