Aneva, S., D. Minovski, V. Sarac, and B. Citkuseva Dimitrovska. “COMPARATIVE ANALYSIS OF ENERGY EFFICIENCY AND ECONOMIC SUSTAINABILITY IN PUBLIC BUILDINGS: A CASE STUDY OF A KINDERGARTEN USING HEAT PUMPS AND PHOTOVOLTAIC SYSTEMS”. Natural Resources and Technology, Vol. 19, no. 1, May 2025, pp. 29-40, doi:10.46763/NRT2519129a.