JOHN VOURDOUBAS. Use of Solar Photovoltaic Systems and Heat Pumps for Achieving Net-Zero Carbon Emission Greenhouses Due to Energy Use: A Case Study in Crete, Greece. American Scientific Research Journal for Engineering, Technology, and Sciences, Jordan, v. 94, n. 1, p. 67–80, 2023. Disponível em: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/9186. Acesso em: 14 sep. 2025.