Gheorghiţă, E., Untilă, P., Korolevski, B., & Spânu, V. (2019). O METODĂ ALTERNATIVĂ DE DEMONSTRARE A FORMULEI LENTILEI SUBŢIRI. Acta Et Commentationes Sciences of Education , 1(1), 118-121. https://doi.org/10.36120/2587-3636.v1i1.118-121