Patry, Him, An-Nikmah Al-Islamiyah Institute (Cambodia)
Permana, Handika, Universitas Muhammadiyah Jakarta (Indonesia)
Pumigran, Zainub, Sangkhom Islam Wittaya School, Thailand (Thailand)
Purwanto, Dede, Mathematics Education Studies, Faculty of Teacher Training and Education, Universitas Muhammadiyah Cirebon (Indonesia)
