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Himawan, A., Fitriana, S. and Lestari, F.W. 2026. The Effect of Classical Guidance Using the Jigsaw Method on Elementary School Students’ Self Control over Mobile Phone Use. Indonesian Journal of Guidance and Counseling Studies. 3, 1 (Feb. 2026), 25–31. DOI:https://doi.org/10.64420/ijgcs.v3i1.385.