Arifin, Irfan, Bakhrani A Rauf, and Arifin Ahmad. 2023. “Inovasi Melalui Desain: Model R&D Yang Diperbarui Dengan Metode Perancangan Desain Grafis Pada Konteks Pengembangan Buku Ajar Yang Kreatif: Innovation Through Design: An Updated R&D Model With Graphic Design Design Methods in the Context of Creative Textbook Development”. Efektor 10 (2), 196-206. https://doi.org/10.29407/e.v10i2.20341.