Assessment of the practice of Islamic financial instruments : the case of IDB Unit Investment Fund and Islamic Bank's Pprtfolio 2026-02-15T23:22:09+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Bendjilali, Boualem (Islamic Research and Training Institute, Islamic Development Bank, 1996)