Yahdin, S., Desiani, A., Andhini, S., Cahyawati, D., Primartha, R., Arhami, M. and Arinda, D. (2022) “COMBINATION OF KNN AND PARTICLE SWARM OPTIMIZATION (PSO) ON AIR QUALITY PREDICTION”, BAREKENG: Jurnal Ilmu Matematika dan Terapan, 16(1), pp. 007-014. doi: 10.30598/barekengvol16iss1pp007-014.