Since you asked for a "proper feature," I assume you are designing a database, a study app, a solution viewer, or a digital textbook interface.
This is a request for a (i.e., a functionality, filter, or data point) for a digital or academic platform that hosts the Solucionario de Transferencia de Calor y Masa by Yunus Cengel (likely the Spanish edition of Heat and Mass Transfer ). solucionario cengel transferencia de calor e massa