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This is to certify that your paper entitled «Investigating the Effectiveness of Modifying the Parent-Child Interaction Pattern Based on Filial Play Therapy on Internet Addiction, Sleep Quality, and Self-efficacy in ۹-۱۲-Year-Old Children» was indexed with 8 pages, in the CIVILICA citation database, code COI:JR_AHJK-15-4_008, after evaluation and approval of the referees of the "Addiction and Health Vol 15, Issue 4 , Year 2024.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above journal and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.