A landmark-based addressing framework for urban navigation using geospatial clustering and pathfinding algorithm - Malla, Sahaj Raj (Kathmandu University Journal of Science Engineering and Technology; Vol. 19 No. 1 (2025): Kathmandu University Journal of Science, Engineering and Technology (KUSET) ; 1816-8752 ; 10.70530/kuset.v19i1, 2025)