Tumanggor, Muliahadi. “ANALISIS PENGARUH BOPO, CAPITAL ADEQUACY RATIO, NON PERFORMING LOAN, DAN LOAN TO DEPOSIT RATIO TERHADAP RETURN ON ASSET”. INOVASI, vol. 3, no. 2, Dec. 2018, doi:10.32493/Inovasi.v3i2.p%p.109.