MARYANTO, IBNU, et al. “MORPHOLOGICAL VARIATION IN THE EBONY AND SILVER LEAF MONKEYS [TRACHYPITHECUS AURATUS (E. GEOFFROY, 1812) AND TRACHYPITHECUS CRlSTATUS (RAFFLES, 1821)] FROM SOUTHEAST ASIA”. Treubia, vol. 31, no. 2, Mar. 2025, pp. 113-31, doi:10.14203/treubia.v31i2.615.