Sharma, N., Aggarwal, A. and Sharma, R. 2026. BIFRAMES AND THEIR PROPERTIES IN QUATERNIONIC HILBERT SPACES. BAREKENG: Jurnal Ilmu Matematika dan Terapan. 20, 4 (Aug. 2026), 2743-2754. DOI:https://doi.org/10.30598/barekengvol20iss4pp2743-2754.