Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 Ngapa, Yulius, & Jumilah Gago. " CANGKANG KERANG DARAH (Anadara granosa) ASAL PULAU LEMBATA-NTT SEBAGAI SUMBER KALSIUM PADA PEMBUATAN BIOMATERIAL HIDROKSIAPATIT (HAp) DENGAN METODE PRESIPITASI." CAKRA KIMIA (Indonesian E-Journal of Applied Chemistry) [Online], 11.2 (2023): 78 - 85. Web. 3 Sep. 2026