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Rollando Rollando and Muhammad Hilmi Afthoni and Fibe Yulinda Cesa and Eva Monica and Nurul Azmi Wibawanty (2022) 18.1._Rollando_JW-PSK_Efektivitas. Jurnal Wiyata: Penelitian Sains dan Kesehatan, 9 (1). pp. 71-78. ISSN p-ISSN: 2355-6498; e-ISSN: 2442-6555