The phrase "by certain individuals" is correct and commonly used in written English.
It can be used to specify the specific group or people responsible for an action or statement. Example: The decision to close the company was made by certain individuals within the board of directors, not by the entire team.
Accordingly if there are certain violations, or crimes, or abuses by certain individuals – well, the law takes its course".
Research work should (and will) not be affected by the possibility of misuse or exaggeration by certain individuals or organisations.
His view is that "attention-seeking" behaviour by "certain individuals" is a distraction from the real issues.
"Attempts have been made by certain individuals who are not getting 100percentt of what they want to try to undermine the good work the committee has done.
"These contacts and channels were later used for sending technology out of Pakistan by certain individuals," a military official said, "including Dr. A. Q . Khan.
"It appears to be, in part, sponsored by way of confidential material leaked by certain individuals from, or acting on behalf, of certain companies.
Wandering through the show one is struck by certain individual paintings, but also by the way the historical scope of the show offers an insight into the evolution of painting styles and an oscillation between strict generic formula and idiosyncratic variation.
Rather than setting up further committees to produce more reports which will only serve to highlight the damage caused by certain individual peacekeepers, it would serve a greater purpose to establish a system of training and accountability for all members of these forces.
This allows comparing how some percentiles of the BMI may be more affected by certain individual characteristics than other percentiles.
First-year GPA differed by certain individual socio-demographic variables.
We also examined if the adverse effects of urban slum residency on the outcomes were modified by certain individual and household characteristics including child age, antenatal care, household wealth and maternal education.
