(1)
Phattaratanachit , P.; Boonprajak, D.; Sokuma, K. Development of the Mathematics Learning Achievement on GCD (Greatest Common Divisor ) and LCM ( Least Common Multiple) Problems of Mathayom Suksa 1 Students Using Simulation Based Learning Phranakhon Rajabhat University. JAR 2021, 26, 315-326.