/Editorial/ Yajaira Freites SEVENTY-SIX YEARS OF THE VENEZUELAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE (ASOVAC) 158 /Articles/ Marjorie Sámuel, Danilo Díaz-Levicoy, Denisse Aviles-Henn and Yudi Caterine Diaz-Perdomo REASONING AND VISUALISATION PROCESSES SHOWN BY PRE-SCHOOL CHILDREN WHEN SOLVING AXIAL SYMMETRY TASKS (in Spanish) 160 David Álvarez-Maldonado, Juan Carlos Armijos, Luis Felipe Vergara Maldonado, Rafael Romero-Meza, Víctor […]