Gnimintakpa Joseph, Umar Sabiu and Muhammad Sani. Investigation of Total Phenolic and Flavonoid contents of Lettuce Grown in Katsina State, Nigeria. RACAS-V3 [Internet]. 2024 Jan. 31 [cited 2026 Jun. 19];:121-34. Available from: https://stm.bookpi.org/RACAS-V3/article/view/13270