HOA, Ho Thi Thu; TUOI, Nguyen Thi; BICH, Le Nhu; PHUONG, Tran Thi Minh; SON, Nguyen Phu. Analysis of technical efficiency’s lettuce farmers in Dalat City, Vietnam. HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE - ECONOMICS AND BUSINESS ADMINISTRATION, [S. l.], v. 14, n. 1, p. 38–49, 2023. DOI: 10.46223/HCMCOUJS.econ.en.14.1.2419.2023. Disponível em: https://journalofscience.ou.edu.vn/index.php/econ-en/article/view/2419. Acesso em: 10 aug. 2026.