Guda MA, Tsear AA, Saheb L. A study of Using a Phyto-nanosynthesis of Silver and Portulaca Oleracea Plant Extracts in Petroleum Spots Treatment. Journal of Petroleum Research and Studies [Internet]. 2024Jun.12 [cited 2024Nov.21];14(2):138-49. Available from: https://jprs.gov.iq/index.php/jprs/article/view/851