BEGIN:VCALENDAR VERSION:2.0 PRODID:www.tlu.ee X-PUBLISHED-TTL:P1W BEGIN:VEVENT UID:681af2f9e3e70 DTSTART:20131004T123000Z SEQUENCE:0 TRANSP:OPAQUE DTEND:20131004T020000Z SUMMARY:Presentation: Difficulties in math as part of learning difficulties CLASS:PUBLIC DTSTAMP:20250507T084322Z END:VEVENT END:VCALENDAR