Send the following on WhatsApp
Continue to ChatSAS course notes: SAS Macros https://hollandnumerics.org.uk/wordpress/shop/woo-books/sas-course-notes-sas-macros/
SAS course notes: SAS Macros https://hollandnumerics.org.uk/wordpress/shop/woo-books/sas-course-notes-sas-macros/