Piya Wongpit และผู้แต่งคนอื่นๆ. (2026) Factors Affecting Technical Efficiencyon Micro, Small, and Medium Enterprises in Lao PDR. <i>Kasetsart Applied Business Journal</i>, <i>20</i>(33), 27-49.Piya Wongpit และผู้แต่งคนอื่นๆ. "Factors Affecting Technical Efficiencyon Micro, Small, and Medium Enterprises in Lao PDR". Kasetsart Applied Business Journal 20 (2026):27-49.Piya Wongpit และผู้แต่งคนอื่นๆ. Factors Affecting Technical Efficiencyon Micro, Small, and Medium Enterprises in Lao PDR. Business Administration, Kasetsart University:ม.ป.ท. 2026.