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à¹€à¸—à¸žà¸§à¸‡à¸©à¹Œ à¸˜.; à¹à¸ªà¸‡à¹€à¸žà¸Šà¸£à¸‡à¸²à¸¡ à¸š. Development of Model for Predicting the Flexible Pavement Strength. Thai NCCE Conf 28 2023, 28, TRL69-1.