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