From: entekhab.ir
Subject: آموزش و پرورش درباره مخالفت با تعطیلی مدارس در هوای آلوده: کاهش زمان آموزش خطر زیادی برای یادگیری دانش آموزان دارد / نمی‌دانم هزینه سلامتی در این شرایط از هزینه تعطیلی بیشتر است یا خیر، باید بررسی و پژوهش کنیم
Date: Thu, 30 Apr 2026 05:04:26 +0330
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