Publications
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Author Title Type [ Year] Filters: First Letter Of Title is H and Author is Heeffer, Albrecht [Clear All Filters]
“Historical Objections Against The Number Line”. Science and Education 20: 863–880.
. 2011. “Hypocrisie Binnen De Wiskunde?”. Wiskunde & onderwijs 148: 306–315.
. 2011.