joins on Penn_IDjoins on Penn_IDjoins on Penn_IDjoins on Penn_ID and DP_LINK_IDjoins on Penn_ID and DP_LINK_IDjoins on Penn_IDjoins on Section_ID and Termjoins on Course_IDjoins on Section_ID and Termjoins on Section_ID and Termjoins on Penn_IDjoins on Penn_IDjoins on Penn_IDjoins on Penn_IDjoins on Penn_IDjoins on Penn_IDjoins on Penn_ID and DP_LINK_IDjoins on Penn_IDjoins on Penn_ID and DP_LINK_IDjoins on Penn_ID and DP_LINK_IDjoins on Last Institution Attended codejoins on Penn_ID, Term, and Section_IDjoins on Penn_ID and DP_LINK_IDjoins on Penn_IDjoins on Penn_IDjoins on Penn_IDjoins on Penn_IDjoins on Penn_IDjoins on Penn_IDjoins on Penn_IDjoins on Penn_IDjoins on Penn_IDjoins on Penn_IDjoins on Course_IDjoins on Course_IDjoins on Course_IDjoins on Instructor_Penn_IDjoins on Section_ID and Termjoins on Section_ID and Termjoins on Section_ID and Termjoins on Section_ID and Termjoins on Section_ID and Termjoins on Instructor_Penn_IDjoins on Section_ID and Termjoins on Section_ID and Termjonis on Course_ID and term between start and end in inventoryjoins on Course_IDjoins on Section_ID and Termjoins on Penn_ID and Section_ID and Termjoins on Penn_ID and Termjonis on Course_ID and term between start and end in inventoryjoins on Section_ID and Termjoins on Section_ID and Termjoins on Course_IDjoins on Instructor_Penn_IDjoins on Penn_ID and Section_ID and Termjoins on Penn_ID and DP_Link_ID joins on Penn_ID and Term joins on Section_ID and Term joins on Section_ID and Term joins on Course_ID joins on Section_ID and Term jonis on Course_ID and term between start and end in inventory joins on Section_ID and Term joins on Section_ID and Term joins on Section_ID and Term joins on Course_ID joins on Section_ID and Term joins on Section_ID and Term joins on Section_ID and Term joins on Penn_ID and Term and DP_LINK_ID joins on Penn_ID and Section_ID and Term joins on Course_ID joins on Section_ID and Term joins on Section_ID and Term