Sutriyono, Widodo, and Retno Suryandari. “Addition of Illuminator Fiber Optic to Produce 3 Dimension Effects in Micrographic Observation Using Upright Microscope”. Proceeding International Conference on Science and Engineering 3 (April 30, 2020): 493–496. Accessed May 12, 2026. http://sunankalijaga.org/prosiding/index.php/icse/article/view/551.