Sajad, Sajad, et al. “Dendrochronological Study of Cedrus Deodar Grown at Kumrat Valley Dir Upper KPK, Pakistan: Evaluation of Tree Age and Increment Based on Increment Core”. Jurnal Ilmu Pertanian Indonesia, vol. 26, no. 2, Apr. 2021, pp. 201-8, https://doi.org/10.18343/jipi.26.2.201.