V. Mejía Puente, J. H. . Isaza Martínez, and L. L. Lopez Parra, “PP19 Development of a method for chlorophyll assessment by a reference from Hibiscus rosa-sinensis”, Rev Prod Nat, vol. 6, no. 1, pp. 270–272, Jul. 2025, doi: 10.3407/qwjsnh19.