FABODE, Sunday Oyerinde; OMONIYI, Timilehin Olayinka. Cooperative Learning Strategies and Students’ Achievement in Peace Education Concepts of Social Studies in Lagos State, Nigeria. International Journal of Social Learning (IJSL), [S. l.], v. 6, n. 2, p. 426–438, 2026. DOI: 10.47134/ijsl.v6i2.557. Disponível em: https://ijsl.pubmedia.id/index.php/ijsl/article/view/557. Acesso em: 4 jun. 2026.