Ngā hua rapu - "Semiotic representations"

Depiction of semiotic representations elaborated by primary fourth grade students on separating mixtures mā Cascavita Sánchez , Robinson Hans, Bustos Velasco , Edier Hernán, Reyes Roncancio , Jaime Duván

Ngā marau: “…Semiotic representations…”
Whiwhi kuputuhi katoa