This Canadian work is in the public domain worldwide because it was subject to Crown copyright and was first published before December 31, 1973.
According to Public Works and Government Services Canada / Travaux publics et Services gouvernementaux Canada, Canada has no intention of renewing expired Crown Copyright works in any country, and consequently the URAA does not apply. An email is on record at ticket:2013122310013986.
نسبه ل – لازم يتنسب العمل للى مألفه بشكل مناسب و توفير رابط للرخصه وتحديد اذا حصلت تغييرات. ممكن ده يتعمل بأى طريقه معقوله، لكن مش بطريقه تشير ان مانح الرخصه بيوافقك على الاستعمال.
https://creativecommons.org/licenses/by/2.0CC BY 2.0 Creative Commons Attribution 2.0 truetrue