Nailya Gabdelkhamitovna Mingazova, Vitaly Glebovich Subichm, y Raheem Ali Al-foadi. 2019. «Main Tendencies in the Category of Number in Japanese and Swahili». Opción 35 (octubre), 699-714. https://www.produccioncientificaluz.org/index.php/opcion/article/view/29503.