YUSUF , S.N., MUHAMMAD , M.A., ABDULLAHI , M.K. and HUSSAINI , U.M. 2024. EXTERNAL DEBT AND CAPITAL FORMATION IN NIGERIA: NEW INSIGHT FROM THE QUANTILE AUTOREGRESSIVE DISTRIBUTED LAG (QARDL) MODEL . JOURNAL OF ECONOMICS AND ALLIED RESEARCH. 9, 2 (Sep. 2024), 201–213.