[2] In 1940 she completed her postgraduate studies at the Moscow Institute of National Economy and defended her thesis for the degree of candidate of economic sciences.

In 1958, the Research Laboratory of Economics and Organization of Production was created at the institute, as well as one of the first Scientific Computing Centers in the country.

[2] One of the most famous textbooks, written together with I. N. Kuznetsov, Scientific Foundations of Production Management, was published in the USSR and a number of other countries.

In 1966, the first department in the USSR which was engaged in the development of scientific problems and the training of qualified personnel in the field of the theory of socialist production management was created in the institute.

In 1973, Kozlova was awarded the title of Honorary Doctor of the Prague Higher School of Economics (Czechoslovakia).

Under her, the institute became the first leading management university in the country, earning a high government award - the Order of the Red Banner of Labor.

With her active participation, a new complex of buildings of the institute was built in the southeast of Moscow, one of the few real university modern campuses.