TY - JOUR T1 - Ballistic impact and mechanical strength of cement-composite mortars: The role of lignosulfonate-treated sisal and piassava fibers JO - Matéria (Rio de Janeiro) A1 - Aguiar, Luiz Henrique Mazini A1 - Villafana Júnior, Emilio Segundo Cerda A1 - Figueiredo, André Ben-Hur da Silva A1 - Braga, Fábio de Oliveira SN - 1517-7076 UL - 10.1590/1517-7076-RMAT-2025-0331 VL - 30 Y1 - 2025 PB - Brazil ER -