Title: Panhā kāntalāt phalittaphan ʻāhān prǣrūp thāng kānkasēt khō̜ng klum mǣbān kasēttrakō̜n Čhangwat Phra Nakhō̜n Sī ʻAyutthayā
Description: Research paper on marketing problem of processed agricultural food product in Ayutthaya Province, Central Thailand.