If you want to recite correctly without breaking meaning, Waqaf wa Ibtida’ is after basic Tajweed. The best PDF for quick reference is usually the “Summary Chart of Waqf Rules” (2–3 pages). Avoid very long academic works unless you are a teacher.
📍 You can find various versions of these guides on platforms like Archive.org , Kalamullah , or official Tajweed Quran portals. Search for the "Tajweed Quran with Waqaf Ibtida" to get the most comprehensive visual aid. If you'd like to dive deeper, let me know: al quran waqaf ibtida pdf link