As a residential landlord in Oklahoma, you have rights and duties relating to your home or apartment. The Oklahoma Residential Landlord Tenant Act provides the legal framework for your lease and your relations with your tenant. This website should provide answers to some questions you may have.
But please note that landlord tenant law is quite complicated. This website explains some of the basic ideas in simple language, but you should not rely on this information to solve detailed problems. Only a lawyer can give you specific legal advice.