For citations:

Sulnichenko V.N. Improving the process of learning numerals in the 6th grade by applying algorithms. Part 1. The grammatical signs of types of numeral and features of their spelling and declension. Russian language at school. 2021;82(3):34-43. (In Russ.) https://doi.org/10.30515/0131-6141-2021-82-3-34-43