Lellep, Karin2021-03-012021-03-012015https://dspace.tktk.ee/handle/20.500.12863/571ekraanisalvestus Lensoo vahendigaCreative Commons Attribution Non-commercialConstruction--Construction MechanicsEhitus--EhitusmehaanikaHoonete ehitusBuilding Constructioninstructional video