Aisyah, N., T. E. Tallei, and B. J. Kolondam. “Beyond Morphology: COI-Based Molecular Identification of Sea Urchins from Kumu Beach, North Sulawesi”. Heca Journal of Applied Sciences, vol. 4, no. 2, Sept. 2026, pp. 133-41, doi:10.60084/hjas.v4i2.451.