Standardization of the Patterns Subtest of Snigders-Oomen Non-verbal Intelligence Battery (SON-R 5½-17) for deaf children in the Sultanate of Oman. IJPE [Internet]. 2011 Jul. 31 [cited 2026 Jul. 14];1(2):23-34. Available from: https://www.ijpe.co.in/index.php/ijpe/article/view/178