Text this: SIMULASI RELASI DISPERSI KEKISI KRISTAL -Simulation of Dispersion Curve on the Crystal Lattices

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