TY - JOUR T1 - Spin correlations in two-particle systems: a pedagogically motivated comparison of computational approaches JO - Revista Brasileira de Ensino de FĂ­sica A1 - Martins-Filho, S. SN - 1806-1117 UL - 10.1590/1806-9126-RBEF-2026-0134 VL - 48 Y1 - 2026 PB - Brazil ER -