Field trip activities for learning, Mathayom 4 level, Monday 5 Aug. '24, Suan Sunandha Rajabhat University Demonstration School Lead Mathayom 4 students on a field trip to Khlong Klon, Samut Songkhram Province. To study the mangrove ecosystem, workshops on tie-dyeing and fragrant salt at Ban Mai Thara. which is part of learning Science and Technology learning group