Preliminary Study on the Effect of Nitrogen Fertilisation on Phytochemical Content Quality of Gynura procumbens. Tropical Life Sciences Research, [S. l.], v. 32, n. 3, p. 69–96, 2021. DOI: 10.21315/tlsr2021.32.3.5. Disponível em: https://ejournal.usm.my/tlsr/article/view/tlsr_vol32-no-3-2021_5.. Acesso em: 28 apr. 2024.