The phrase "and further assert the" is correct and usable in written English.
It can be used when you want to emphasize or add additional claims or statements to what has already been mentioned.
Example: "In our findings, we conclude that the data supports our hypothesis and further assert the need for additional research in this area."
Alternatives: "and additionally state the" or "and also emphasize the".
The third job was a little less remarkable — namely, to further assert the reasons why she won't remain an assistant conductor for much longer.
A lawsuit filed by a probation officer, Carol Nardo, accuses officers involved in Operation Nightwatch of racial profiling and violations of search and seizure restrictions, and further asserts sex discrimination in the distribution of overtime for Nightwatch patrols.
In 1995, again facing declining congregations, Pope John Paul II re-upped the Church's hostility toward contraception, and further asserted that condoms were verboten – at the very moment HIV and Aids were ravaging nations around the world.
Michaels doesn't believe that it is and further asserted that he would oppose any efforts to prevent the information from becoming public.
Mid-Atlantic Regional Director J. F. Caraway further asserted, "the Bureau of Prisons is not mandated to provide state case law and other state legal materials".
He further asserts the refusal as it applies to the present case violates public policy since it would release Dr. Drury from the consequences of his negligence.
This case further asserts the role of CT perfusion in the evaluation of patients with stroke mimics in the emergency room setting.
The front-page article further asserts the historian has greatly exaggerated his involvement in the civil rights and antiwar movements.
They further assert that the trip came as "… part of his official duties as a city council member to provide desperately needed water to the people of Colorado Springs".
I further assert that, through the process of industrialization and economic development, the spread of human capital and the increase of labor income have led to the virtual disappearance of polygyny at the later stage of the transition.
