Arellano-Mendoza, Katherin Aluska, Alvarado-Lavado, Haydee Roxana, Arroyo-Rosales, Edwin Alberto, Calvanapón-Alva, Flor Alicia. The effect of deductible expenses on the determination of income tax: Case study Peru. LACCEI. 2024;1(8). doi:10.18687/LACCEI2023.1.1.449