Mustapa, Mohd Zamakhsyary, et al. “Agarwood Production of Aquilaria Malaccensis Using Various Inoculants and Induction Techniques”. Central Asia and the Caucasus, vol. 23, no. 1, Jan. 2022, pp. 3042-5, https://ca-c.org/index.php/cac/article/view/191.