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Jualina Widyawaty, Jenas Pardomuan Sihotang, Jepni Piola Togatorop, Iwan Julius Gulo and Jhon Ferinando Tarigan 2025. The Effect Of Problem-Solving Learning Methods On The Accuracy Of Underhand Passes In Girls’ Volleyball At SMP N 2 Hamparan Perak Deli Serdang. Journal Physical Health Recreation (JPHR). 6, 2 (Dec. 2025), 423-433. DOI:https://doi.org/10.55081/jphr.v5i4.4772.