RT Article T1 Post-purchase federal financial aid: How (in)effective is the IRS's Student Loan Interest Deduction (SLID) in reaching lower-income taxpayers and students? JF Research in higher education A1 Canche, Manuel S. LA English YR 2022 UL https://krimdok.uni-tuebingen.de/Record/1912656728 DO 10.1007/s11162-021-09672-6