1.
Souza P da C, Simplício SS, Santos RP dos, Pacheco CSGR. Analysis of the coal production chain from the caatinga vegetation in the rural area Petrolina – PE. ijaers [Internet]. 2020 Jan. 11 [cited 2024 Jul. 22];7(1). Available from: https://journal-repository.com/index.php/ijaers/article/view/1556