เอกสารอ้างอิง
The Princess Maha Chakri Sirindhorn Anthropology Centre
ประกอบด้วยจารึก
Rian Ngoen Thawarawadi Inscription (Wat Phra Prathon Chedi Worawihan 3)
Rian Ngoen Thawarawadi Inscription (Wat Phra Prathon Chedi Worawihan 3)
Rian Ngoen Thawarawadi Inscription (Wat Phra Prathon Chedi Worawihan 2)
Rian Ngoen Thawarawadi Inscription (Wat Phra Prathon Chedi Worawihan 2)
