Effect of Copper Sulfate Impregnation on the Physical-Mechanical Properties of Sengon and Coconut Wood: Pengaruh Impregnasi Tembaga Sulfat terhadap Sifat Fisis-Mekanis Kayu Sengon dan Kelapa. perennial [Internet]. 2026 Oct. 31 [cited 2026 Nov. 5];22(2):93-100. Available from: https://journal.unhas.ac.id/index.php/perennial/article/view/53690