Daryanto D, Rustana CE, Simanungkalit SP. STUDI KARAKTERISTIK BIOAVTUR GETAH PINUS BERBASIS HIDROGENASI. SPEKTRA [Internet]. 2016Aug.31 [cited 2026Apr.5];1(1):89 -4. Available from: http://103.8.12.212:33180/unj/index.php/spektra/article/view/185