The phrase "a source of instruction" is correct and usable in written English.
It can be used when referring to something that provides guidance or information on a particular subject or task.
Example: "The manual serves as a source of instruction for new employees on how to operate the machinery safely."
Alternatives: "a guide for learning" or "a means of teaching".
In a rhetorical culture, Lynch writes, "poetry offers itself to readers not as a love object, but rather as a source of instruction in how to speak fair..
Ironically sent to "leave their mark", Peace Corps Americans were a source of instruction on how to grow the best leaves or convert coca paste into bricks of powder.
In a rhetorical culture, Lynch writes, "poetry offers itself to readers not as a love object, but rather as a source of instruction in how to speak fair... and thus in how to woo love objects and advance in the world".
It was the poet's and the historian's political function to preserve the memory of past actions and to make them a source of instruction for the future.
Andsager suggested that Spears took cues more directly from sexual fantasies, and that the use of sanitized images of attractive young women posed in sexual ways (lesbian chic) serves two audiences: primarily, it sought to fulfill heterosexual fantasies, but as a secondary function, it may also serve young women as a source of instruction in attracting males.
These loony poems of his are a source of endless instruction, humor and philosophical entertainment (as I inadequately understand the term — or terms, I suppose).
Other critics, including some prominent conservatives, have insisted that libertarianism is an amoral philosophy of libertinism in which the law loses its character as a source of moral instruction.
The self-contained approach of this book will appeal not only to researchers in MDPs, stochastic modeling and control, and simulation but will be a valuable source of instruction and reference for students of control and operations research.
In the 20th century the art academy became an important source of instruction, synonymous with the modern art school.
Accordingly, both intracellular and intercellular communication mechanisms in nature are looked to as a source of inspiration and instruction for engineered nanocommunication.
The North Carolina Fund came up short in its battle against poverty, but its story continues to be a source of inspiration and instruction for new generations of Americans.
