[1]
“Retrospective Analysis of Food Solicitation Behavior in Two Semi-Wild Rehabilitated Sumatran Orangutans (Pongo abelii) in Bukit Lawang, Indonesia”, Ina. J. Prim, vol. 4, no. 01, pp. 6–11, Jul. 2026, doi: 10.29244/primatology.4.01.%p.