Oriented problem-based learning (POPBL) by Mohd. Saleh Jaafar, Azlan Abdul Aziz, Fairuz Izzudin Ramli, Fatin Aliah Phang Abdullah, Fauzi Haji Ab. Llah, Haniza Hanim Mohd Zain, Khairiyah Mohd Yusof, Megat Johari Megat Mohd Nor, Nor Hayati Alwi, Nor Kamariah Noordin, Roslina Sharfi, Ruhizan Mohammad Yasin, Saemah Rahman, Wan Azizun Wan Adnan, Zulkiple Abd Ghani, Abd. Rahim Abu Talib