Melchor S. Catones และ Inocencio E. Buot Jr. (2020) Delineation of Hoya pimenteliana Kloppenb. and Hoya cagayanensis C.M. Burton (Apocynaceae) with Insights from Leaf Architecture. <i>The Thailand Natural History Museum Journal</i>, <i>14</i>(2), 139-146.Melchor S. Catones และ Inocencio E. Buot Jr. "Delineation of Hoya pimenteliana Kloppenb. and Hoya cagayanensis C.M. Burton (Apocynaceae) with Insights from Leaf Architecture". The Thailand Natural History Museum Journal 14 (2020):139-146.Melchor S. Catones และ Inocencio E. Buot Jr. Delineation of Hoya pimenteliana Kloppenb. and Hoya cagayanensis C.M. Burton (Apocynaceae) with Insights from Leaf Architecture. National Science Museum, Thailand:ม.ป.ท. 2020.