Mokoginta, R.F. et al. 2022. THE EFFECT OF PGPR (Plant Growth Promoting Rhizobacteria) BIO FERTILIZATION ON THE GROWTH AND PRODUCTION OF LETTAGE (Lactuca sativa L.). Jurnal Agroekoteknologi Terapan (Applied Agroecotechnology Journal). 3, 1 (May 2022), 43–51. DOI:https://doi.org/10.35791/jat.v3i1.38276.