muchlis (2025) “ANALYSIS OF CHANGES IN BACKPACK DESIGN CAUSED BY DEVELOPMENTS IN MOUNTAIN CLIMBING EQUIPMENT TECHNOLOGY AND TRAVEL MANAGEMENT TECHNIQUES: ANALYSIS OF CHANGES IN BACKPACK DESIGN CAUSED BY DEVELOPMENTS IN MOUNTAIN CLIMBING EQUIPMENT TECHNOLOGY AND TRAVEL MANAGEMENT TECHNIQUES”, Idealog: Ide dan Dialog Desain Indonesia, 10(1). Available at: https://journals.telkomuniversity.ac.id/idealog/article/view/8354 (Accessed: 17 January 2026).