This phrase is grammatically correct and can be used in written English.
For example: "I need to focus on my studies, so I have been spending more time on my study works every day."
HUDSON -- "A Cellar Study," works on paper and canvas by Joseph Ferm.
The pilot study works by making a key shift in how the drug can be dispensed.
Part-time study works for those for whom full-time study is not an option.
(And what about the professors of foreign literatures? Is it not their very natural mission to study works in the context of world literature? Not a chance.
In Britain, more than a fifth of the labor force, according to a 2002 study, works longer than the European Union's mandated limit of 48 hours a week.
In the course of the visit Jones had ample opportunity to study works by modern masters as well as antique ruins.
Post study work rights was seen as a legitimate compromise.
I'm living in the west to eat, study, work, pay tax, sleep #Slave," he tweeted.
Meanwhile, our citizens get the opportunity to study, work and retire abroad.
I can, however, socialise independently, speak my mind, study, work and pay taxes.
