Here's a possible way to complete the sentence:
"Finn studies he likes to consult multiple types of resources such as books, journals, and online information. He usually studies in his bedroom but found that he could concentrate better when he studied in the library."
Or, here's another option:
"Finn studies he likes to consult multiple types of resources such as books, journals, and online information. He usually studies in his bedroom but found that he could concentrate better when he went for walks outside."
Let me know if you have another ending in mind, and I can help you complete the sentence!