“The Validity of the Plant Identification Guidebook for Important Plant Species in the Lembah Bukit Manjai Tropical Rainforest Biodiversity Park” (2026) Didaktika Biologi: Jurnal Penelitian Pendidikan Biologi, 10(1), pp. 33–44. doi:10.32502/didaktikabiologi.v10i1.1726.