https://defence-line.org/2023/07/o-statistike-i-tendenciyax-chast-1/
https://defence-line.org/2023/07/o-statistike-i-tendenciyax-chast-2/
https://defence-line.org/2023/07/o-statistike-i-tendenciyax-chast-3/
техника, история, война
https://defence-line.org/2023/07/o-statistike-i-tendenciyax-chast-1/
https://defence-line.org/2023/07/o-statistike-i-tendenciyax-chast-2/
https://defence-line.org/2023/07/o-statistike-i-tendenciyax-chast-3/