Ningtiyas RW, Setiawari RIS. Capital Investment and Diminishing Labor Returns in East Java Growth: Investasi Modal Dan Fenomena Diminishing Returns Tenaga Kerja dalam Pertumbuhan Ekonomi Jawa Timur. acopen [Internet]. 2026 Jun. 16 [cited 2026 Jul. 19];11(2):10.21070/acopen.11.2026.14710. Available from: https://acopen.umsida.ac.id/index.php/acopen/article/view/14710