Sungkawati, Endang, Niken Dwi Safitri, and Adebayo Ola Afolaranmi. “Product Life Cycle Techniques: SMEs Maintenance Strategies”. AMCA Journal of Community Development 3, no. 2 (November 30, 2023): 75–84. Accessed April 17, 2026. https://journal.amca2012.org/index.php/ajcd/article/view/316.