Ugalde, Bernard. "Photoshop Activity - Adjustment Layer". OER Commons. Institute for the Study of Knowledge Management in Education, 16 Nov. 2018. Web. 24 Nov. 2024. <https://oercommons.org/authoring/49089-photoshop-activity-adjustment-layer>.
Ugalde, B. (2018, November 16). Photoshop Activity - Adjustment Layer. OER Commons. Retrieved November 24, 2024, from https://oercommons.org/authoring/49089-photoshop-activity-adjustment-layer.