ONG , X.-P.; NGO, T.-T. .; LA, V.-H. . Analysis of morphological characteristics and initial development of tea bag products from Camellia in Na Hang - Tuyen Quang. HPU2 Journal of Science: Natural Sciences and Technology, [S. l.], v. 4, n. 02, p. 24–31, 2025. DOI: 10.56764/hpu2.jos.2025.4.02.24-31. Disponível em: https://sj.hpu2.edu.vn/index.php/journal/article/view/516. Acesso em: 20 sep. 2025.