Somwatcharajit R, Sookruksawong S, Prakamhang J. Development of a Biofertilizer from Indigenous PGPR and Leonardite Residues for Sustainable Lettuce Cultivation and Soil Restoration. Curr. Appl. Sci. Technol. [internet]. 2026 Jan. 30 [cited 2026 Sep. 10];:e0268134. available from: https://li01.tci-thaijo.org/index.php/cast/article/view/268134