An investigation of procedures for improving prospective elementary school teachers problem solving abilities 2026-02-15T20:51:38+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Sairafi, Adnan Abdulghani (Florida State University, Department Of Curiculum and Instruction, 1983)