Safriliana, R., Subroto, B., Subekti, I. and Fuad Rahman, A. 2018. An Overview on Contracting Theory and Agency Theory: Determinants of Voluntary Public Accounting Firms Switching. KnE Social Sciences. 3, 10 (Nov. 2018). DOI:https://doi.org/10.18502/kss.v3i10.3381.