Allometry Analysis and Physiological Index of Sea Urchin Heliocidaris crassispina (A. Agassiz, 1864) (Camarodonta, Echinometridae) on the Reef Flat in Tongkeina and Malalayang Dua, Manado, Sulawesi. JIP [Internet]. 2016 Oct. 25 [cited 2026 Nov. 14];4(2):45-5. Available from: https://ejournal.unsrat.ac.id/v3/index.php/platax/article/view/13774