Use the catalog to find books about nonprofit management and/or your specific nonprofit sector. Below, I've included a book on nonprofits and another on immigration.
To get started, try some key words. Key words can be as simple as "nonprofit organization", or the subsector, the population the organization serves, or even the name of your orgnization. Keep in mind that you may need to search using synonyms or related concepts.
Find journal articles using databases. The library subscribes to hundreds of databases. I link to some that are particularly good for PNHA students at the Public and Nonprofit Administration and Health Administration Guides but there are many others available at the database table. From the home page, click "databases" to access a more complete list.
Some that might be particularly useful for this assignment are: