The official council often publishes educational materials. Their website (when active) or their regional offices may offer free PDF downloads. Check their publications section for (Tajweed Textbook).
A comprehensive will typically cover these core topics. Below is a preview translated conceptually for Amharic speakers. tajweed rules in amharic pdf
A dedicated student studying 30 minutes daily can understand the rules in 3 months. Mastery (applying automatically while reciting) takes 1-2 years of consistent practice. The official council often publishes educational materials
A good PDF should include:
A quality will include these rules with color-coded examples from Juz’ Amma (the 30th Juz), which is the most recited section. which is the most recited section.