BARBOSA, Alexandre; 						MALCHER, Paulo; 						SANTOS, Rodrigo.
 SIGMA Net Zero: A Carbon Footprint Accounting and Greenhouse Gas Emissions Management System. <em>In</em>: INDUSTRY AND INNOVATION IN INFORMATION SYSTEM TRACK - BRAZILIAN SYMPOSIUM ON INFORMATION SYSTEMS (SBSI), 19.	, 2023, Maceió/AL.
	 
	<strong>Anais</strong> [...].
 Porto Alegre: Sociedade Brasileira de Computação, 
	2023
.
 p. 81-83. 
			ISSN 3086-545X. 
		DOI: <a href="https://doi.org/10.5753/sbsi_estendido.2023.229190">https://doi.org/10.5753/sbsi_estendido.2023.229190</a>.