Colorantes naturales / Olga Lock Sing de Ugaz. Lima: PUCP. Fondo Editorial, 1997. 274 p. Rev. Quim. [Internet]. 1998 Oct. 28 [cited 2026 Sep. 19];12(1):150-1. Available from: https://revistas.pucp.edu.pe/index.php/quimica/article/view/7562