Letsoin, I. J. A.; Rampengan, M. M. F.; Roring, V. I. Y.; Lawalata, H. J. DIVERSITY OF ECHINODERMS ON THE BEACH OF RANOWANGKO II VILLAGE, KOMBI DISTRICT, MINAHASA REGENCY. Rumph. Patti. Biol. J. 2024, 6, 048-055.