M. Sultanova, “INNOVATSION RIVOJLANISHNING SPIRAL MODELLARI: UCHTA, TO‘RTTA VA BESH HELIX MODELI”, IIPT, vol. 2, no. 3, pp. 146–154, May 2025, doi: 10.60078/3060-4842-2025-vol2-iss3-pp146-154.