Vol 11, No 1 (2021)

Table of Contents

Articles

Mahmud Mahmud, Irawanto Irawanto

pages. 1-7

Sugeng Rusmiwari, Ayu Ambar Pratiwi, Firman Firdausi

pages. 8-23

Willy Tri Hardianto, Noora Fithriana, Abd. Rohman

pages. 24-30