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   _____    _____     ______     ___      _  __  
  / ___//  |  ___||  /_   _//   / _ \\   | |/ // 
  \___ \\  | ||__      | ||    | / \ ||  | ' //  
  /    //  | ||__     _| ||    | \_/ ||  | . \\  
 /____//   |_____||  /__//      \___//   |_|\_\\ 
`-----`    `-----`   `--`       `---`    `-` --`

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Text this: On the Sigma Chromatic Number of the Zero-Divisor Graphs of the Ring of Integers Modulo n