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Book: “Bike Ways to Historical Learning Sources in Chiang Mai: ไหว้สาพญามังราย ทักษาเมือง Grand Palaces and Palaces in Chiang Mai City” by Somchoat Ongsakul. Printed in the occasion of the 60th Zodiac Round Celebration (1296-2016) by Pinkanakorn Development Agency (Public Organization).

Book: Bicycle trails to study Chiang Mai city historical sources: Auspicious areas in the "Magic Forest" by Somchoat Ongsakul. Printed in the occasion of the 60th Zodiac Round Celebration (1296-2016) by Pinkanakorn Development Agency (Public Organization).