Singapore Method for Teaching Basic Operations with Fractional Numbers in Eight Levels Students Dahkki Niño-Vega, Jorge Armando, López-Sandoval, Diana Patricia, Mora-Mariño, Eduar Ferney, Torres-Cuy, María Alejandra, Fernández-Morales, Flavio Humberto

Fáttát: “…Método Singapur…”