Khamsawai, S. People’s Expectation and Perception on Waste Management Quality of Thammasen Subdistrict Administrative Organization Photharam District, Ratchaburi Province: People’s Expectation and Perception on Waste Management Quality of Thammasen Subdistrict Administrative Organization Photharam District, Ratchaburi Province. lawarathjo 2019, 1, 65-76.