Capiltan, K. ., L. . Maldia, M. Quimado, C. Tinio, and M. Combalicer. “DEVELOPMENTAL MORPHO-ANATOMY AND GERMINATION OF THE SEEDS OF Pterocarpus Indicus F. Echinatus Willd. VARIANTS”. BIOTROPIA - The Southeast Asian Journal of Tropical Biology, vol. 29, no. 2, Aug. 2022, pp. 124-33, doi:10.11598/btb.2022.29.2.1656.