webgrafia

BBC - Finger Counting
  https://www.bbc.com/future/article/20210902-how-finger-counting-gives

Frontiersin - Finger-Counting and Numerical Structure
  https://www.frontiersin.org/articles/10.3389/fpsyg.2021.723492/full

Mama Edu - Conteggio
  https://mama.edu.ti.ch/numeri-e-calcolo/conteggio/

Finger-counting across cultures
  https://utesinternationallounge.com/finger-counting-across-cultures/

Cut the Knot - Finger counting
  https://www.cut-the-knot.org/ForYoung/FingerCounting.shtml

Japanese Finger counting
  https://www.tsunagujapan.com/learn-the-japanese-gestures-for-counting/

Korean Finger counting, Chisanbop
  https://artofmemory.com/wiki/Chisanbop/





documenti

Introduzione storica al concetto di cognizione numerica - SUPSI DFA Locarno
  https://repository.supsi.ch/3550/1/cap1Sbaragli%20Lucangeli.pdf

Counting with the fingers - Osaka University of Economics
  https://www.ijpam.eu/contents/2013-85-5/4/4.pdf

Note per il corso di Fondamenti di Matematica - Università degli Studi di Verona
  http://profs.scienze.univr.it/~gregorio/fondamenti-primaria.pdf

Brevi appunti di storia della matematica - Istituto superiore feltre
  http://lnx.istitutosuperiorefeltre.it/wp/wp-content/uploads/2018/11/Brevi...pdf

The Case of Yoruba Sign Language - Tulane University
  http://www.lingref.com/cpp/acal/43/paper2972.pdf

Offline Gesture Recognition System for Yorùbá
  https://www.researchgate.net/publication/331596384_Offline_Gesture_Recognition_System...

Tally systems of the upper septic and central new guinea - Barry Craig
  https://static1.squarespace.com/static/576ed271bebafbef665249c0/t/58b3504346c3...

Finger Counting Habits in Middle-Eastern and Western
  https://www.researchgate.net/publication/200744217_Finger_Counting_Habits_...

Differences in Finger-Counting Habits
  https://d-nb.info/1229023267/34

La matematica primitiva - Matematica Blog Scuola
  http://www.galois.it/drupal/sites/default/files/Matematica%20primitiva.pdf