ROPUSZYŃSKA-SURMA, Edyta; WĘGLARZ, Magdalena. Identification of new business models in micro and small enterprises in the energy sector. W: MICHAŁKIEWICZ, Anna; MIERZEJEWSKA, Wioletta (red.). Contemporary organisation and management. Challenges and trends. Poland: Wydawnictwo Uniwersytetu Łódzkiego,2020. p. 63–75. DOI: 10.18778/8220-333-2.04. Disponível em: https://press.uni.lodz.pl/index.php/wul/catalog/book/1268/chapter/3765. Acesso em: 14 luty. 2026.