Sumranhun, P., Saisuwan , N., Rungcharoen , S., Damrongwatthanayothin , B., Puinun , S., Ruamsup , W. and Virayasiri, P. (2024) “The Improving Productivity in Seasonal Product Manufacturing by Motion and Time Study and Jig Design”, Thai Industrial Engineering Network Journal, 10(1), pp. 51–59. available at: https://ph02.tci-thaijo.org/index.php/ienj/article/view/249249 (accessed: 13 September 2026).