“Comparative Determination of Ascorbic Acid in Apple (Malus Pumila), Lime (Citrus Aurantiifolia) andWatermelon (Citrullu Lanatus) Using Uv Spectrophotometric and Titrimetric Methods” (2026) Nigerian Journal of Pharmaceutical and Biomedical Research (NJPBR), 6(1), pp. 10–17. doi:10.55639/seet6w51.