DILBАR АTKHАMОVNА IBRАGIMОVА et al. 2025. EFFECTIVE METHODS OF USING DIGITAL APPS LIKE A "PEN PALS" IN TEACHING AND LEARNING ESP AMONG ADULT LEARNERS IN THE WORLD. The Bioscan. 20, 1 (Jan. 2025), 281–284. DOI:https://doi.org/10.63001/tbs.2025.v20.i01.pp281-284.