Interlibrary loan and document delivery
Most libraries offer an Inter Library Loan service to their clients. ILL includes getting scanned or photocopied articles from other libraries. There is usually a cost for this service. If you are a member of a public library, for example, you may be eligible for that library's Inter Library Loan/Document Delivery service.
If you want a particular article, that is not available freely, then you may be able to get a copy via this service.