JMBS Convergence Insufficiency among Schoolchildren of 1-4 Grades and its Importance for Optimizing the Pedagogical Process in Junior School
Vdovychenko O. 1, Kadoshnikova I. 1, Plyska O. 1, Shkrobanets I. 2, Lazoryshynets V. 2
JMBS 2017, 2(6): 164–170 https://doi.org/10.26693/jmbs02.06.164