Quách VTE, Pham THN, Cao TBN. PRINCIPAL COMPONENT ANALYSIS OF ENVIRONMENTAL FACTORS INFLUENCING THE DISTRIBUTION OF TRIBULUS TERRESTRIS L. IN THE SOUTHERN KHANH HOA REGION. TCKH ĐHSP TPHCM TPHCM. 2026;23(3). doi:10.54607/hcmue.js.23.3.5148(2026)