RAÑESES, Nestor O.; 						MANEGDEG, Ferdinand G.; 						RAMOS, Adelisa C..
 An Operation Research and Systems Analysis: Study of Weighing Scales Used for Growth Surveillance.
<strong>Philippine Engineering Journal</strong>, [S.l.], v. 15, n. 1, sep. 2021.
ISSN 2718-9287.
Available at: &lt;<a href="https://www.journals.upd.edu.ph/index.php/pej/article/view/8074" target="_new">https://www.journals.upd.edu.ph/index.php/pej/article/view/8074</a>&gt;. Date accessed: 26 sep. 2025.