TY  - GEN
AU  - Derenok, A. N.
AU  - Chulkov, N. A.
AU  - Sechin, A. A.
TI  - Certification educational and workplaces in educational esteblishments of Tomsk region
KW  - труды учёных ТПУ
N2  - References: p. 301 (4 tit.)
ER  -