Fonsêca CMB, Oliveira E, Souza PF, Lima CR. Determination of porosity of coal Ziziphus joazeiro (Martius) and Prosopis juliflora (Sw.) DC. Sci. Plena [Internet]. 2012Jul.27 [cited 2024May19];8(4(b). Available from: https://www.scientiaplena.org.br/sp/article/view/1002