The effect of portfolio assessment on the English writing performance of Jordanian first secondary school students and their attitudes towards writing \ 2026-02-15T10:50:21+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Sulaiman, Mohammad Saleem (Amman Arab University,Faculty of Educational and psychological sciences, 2012)