Ngo, T., N. Son, and T. Duong. “ASSESSING THE PRODUCTION EFFICIENCY OF CHILI FARMERS IN TRA VINH PROVINCE”. TRA VINH UNIVERSITY JOURNAL OF SCIENCE; P-ISSN: 2815-6072; E-ISSN: 2815-6099, Vol. 9, no. 36, Dec. 2019, pp. 51-63, doi:10.35382/18594816.1.36.2019.316.