http://repository.uhamka.ac.id/id/eprint/17198/ Learning trajectory based on fractional sub-constructs Using fractions as quotients to introduce fractions Ishaq, Nuriadin http://repository.uhamka.ac.id/id/eprint/17198/1/3.%20Learning%20trajectory%20based%20on%20fractional%20sub-co%20similarity.pdf Unduh!