What training did Kingdom publishers need, and what school has helped them to become effective teachers?
١٤ أَيُّ تَدْرِيبٍ ٱحْتَاجَ إِلَيْهِ ٱلنَّاشِرُونَ ،‏ وَأَيَّةُ مَدْرَسَةٍ سَاعَدَتْهُمْ أَنْ يَصِيرُوا مُعَلِّمِينَ فَعَّالِينَ ؟‏