1.
Preliminary Study on the Effect of Nitrogen and Potassium Fertilization on Phytochemical Content Quality of Gynura procumbens. Mal. J. Fund. Appl. Sci. [Internet]. 2021 Aug. 31 [cited 2026 Sep. 7];17(4):365-88. Available from: https://mjfas.utm.my/index.php/mjfas/article/view/2053