Hidayat, N., Krisnawati, V. H., Abusini, S., & Khairi, D. R. (2026). SMARTPHONE PURCHASING DECISION MAKING USING AN INTERVAL-VALUED INTUITIONISTIC FUZZY AHP APPROACH: A CASE STUDY IN MALANG CITY. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, 20(2), 1731–1742. https://doi.org/10.30598/barekengvol20iss2pp1731–1742