Каратаев, Р.Қ, and А.Т Байбактина. 2020. “PROBLEMS OF CREATING A MOBILE APPLICATION FOR A BIBLIOGRAPHIC INFORMATION SEARCH ENGINE”. Bulletin of Abai KazNPU. Series of Physical and Mathematical Sciences 71 (3). Алматы, Казахстан:230-34. https://doi.org/10.51889/2020-3.1728-7901.35.