View of Written Linguistic Problems among Arabic Language Learners in Scientific Institutes in Pekanbaru (an Applied Study)/ Al-Musyikilât al-Lughawiyah al-Kitâbiyah lada Mu’allim al-Lughah al-Arabiyah fi al-Ma’âhid al-Ilmiyah fi Pekanbaru (Dirâsah Tathbîqiyah)

Al-Manar, UIN Sultan Syarif Kasim Riau, State Islamic University of Sultan Syarif Kasim Riau