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

 _    _      ___     _____       ___      ______  
| |  | ||   / _ \\  |  __ \\    / _ \\   /_   _// 
| |/\| ||  / //\ \\ | |  \ ||  / //\ \\  `-| |,-  
|  /\  || |  ___  ||| |__/ || |  ___  ||   | ||   
|_// \_|| |_||  |_|||_____//  |_||  |_||   |_||   
`-`   `-` `-`   `-`  -----`   `-`   `-`    `-`'