Husnain, G., F. Ahmad, F. A. Khan, M. A. Shahzad, S. Mahmood, I. Muneer, H. Shabbir, M. Zeeshan, A. Saeed, and Q. Sajjad. “Assessment of Heavy Metals and Microbial Load in Tomato Ketchup Used in Local Market of Southern Punjab”. Indus Journal of Bioscience Research, vol. 3, no. 4, Apr. 2025, pp. 658-6, doi:10.70749/ijbr.v3i4.1110.