Title: Kānprīapthīap prasitthiphon khō̜ng kānsō̜n khrư̄angsāi tawantok dōi chai thēknik Piecercise kap thēknik kānsō̜n bǣp thūapai =
Description: Comparison of the effectiveness of teaching string instrument using Piecercise technique and general technique.