[1]
Santosa, Y., Perdana, A.Y., Sopiyandi, S. and Yohanna, Y. 2018. Bird Diversity in Smallholders Oil Palm Plantation in Riau Province. International Journal of Oil Palm. 1, 1 (Jan. 2018), 28–37. DOI:https://doi.org/10.35876/ijop.v1i1.4.