bayu saputra, Y. Sofiani, and D. Irawati. “The Effect Bibliotheraphy on Depression and Anxiety Level of Breast Cancer Patient at Arifin Achmad Regional General Hospital of Riau Province : The Effect Bibliotheraphy”. Jurnal Kesehatan Komunitas, vol. 5, no. 3, Dec. 2019, pp. 248-53, doi:10.25311/keskom.Vol5.Iss3.466.